Helivolt documentation

A WordPress theme for solar installers and renewable energy companies: home solar, commercial rooftops, battery storage, EV chargers, farm arrays and heat pumps. Six demos, a solar savings calculator, a hero quote bar, services with guide prices, a project portfolio with output and savings, team profiles and a free quote form saved in your dashboard.
Thank you for choosing Helivolt. This guide takes you from a fresh WordPress site to a copy of the demo with your own details. If something is not covered here, write to support@codememory.com — we answer within one working day.
- Version1.0.0
- WordPress6.5 or later
- PHP7.4 or later
- Live demoOpen the demo
Highlights
- Six solar demos imported in one click
- Solar savings calculator: system size, panels, price after incentives, payback, 25-year savings and CO₂
- Quote bar in the hero: service, monthly bill and ZIP code, sent to your quote page
- Services with a guide price per kW or a fixed price, install time, warranty and equipment
- Project portfolio with sector filters, system size, yearly output, savings and switch-on date
- Free quote form with system size, install date, address, monthly bill and a live guide price, saved in your dashboard
- Pricing and financing tables: pay in full, solar loan, power agreement
- Team profiles with role, certifications, years with you and specialty
- Sectors and system types to group services and projects
- Office hours with an "Open now" badge
- 19 Elementor widgets (free Elementor)
- Every section also works as a shortcode
- Call / quote bar on phones
- Light and dark mode
- Colours and fonts from the Customizer
- Block patterns and every core block styled
- Self-hosted fonts, nothing loaded from Google
- Translation ready, right-to-left support
- Child theme included
What is in the download
themeforest-helivolt-wordpress-theme/ ├── helivolt.zip ← the theme: upload this in WordPress ├── helivolt-child.zip ← child theme, for your own code changes (optional) ├── plugins/helivolt-core.zip ← the theme's plugin (also installed from inside the theme) ├── demo-content/ ← demo files for a manual import ├── documentation/ ← this guide, as HTML and PDF └── licensing/ ← GPL licence, font licences and credits
helivolt.zip, not the whole download. Uploading the download zip gives the error
"The package could not be installed. The theme is missing the style.css stylesheet."Requirements
- WordPress 6.5 or later (tested up to 7.1).
- PHP 7.4 or later (8.2 or later recommended).
- For the demo import: PHP
memory_limit256M,max_execution_time300, upload size 32M. Most hosts already allow this; if an import stops half-way, ask your host to raise these values.
Every plugin the theme uses is free from wordpress.org. Nothing needs a paid licence.
Installing the theme
- In your dashboard, go to Appearance → Themes → Add New Theme → Upload Theme.
- Choose
helivolt.zipand click Install Now, then Activate. - Optional: install and activate
helivolt-child.zipthe same way (see Child theme).
Upload by FTP instead: unzip helivolt.zip and copy the helivolt folder to
wp-content/themes/, then activate it under Appearance → Themes.
Plugins
After activation, a notice at the top of the dashboard lists the plugins the theme uses. Click Begin installing plugins (or go to Appearance → Install Plugins), select them all, choose Install, then activate them.
| Plugin | What it adds | |
|---|---|---|
| Helivolt Core | Required | Services, projects, team, sectors, system types, reviews, quote form, savings calculator, office hours, widgets, shortcodes and the demo import. Included with the theme. |
| Elementor | Recommended | The free page builder used for the demo pages. The theme's own widgets appear in Elementor's Helivolt group. |
| One Click Demo Import | Recommended | Imports a demo in one click. You can remove it after the import. |
The theme works without any plugin: posts, pages, menus, widgets and search are styled the same. The plugin is needed for the solar features (services, projects, team, savings calculator, quote form…).
Importing a demo
The import gives you the demo site: pages, services, projects, team members, reviews, posts, menus, widgets and the Customizer settings. Use it on a new site: it adds content next to what you already have.
- Install the plugins above.
- Go to Appearance → Import Demo Data.
- Pick a demo and click Import. It takes one to three minutes; keep the page open.
- Done: visit your site. The home page, menus and blog page are already set.
| Demo | Home page | Accent |
|---|---|---|
| Residential solar | /home-residential/ | #ff8a1f |
| Commercial solar | /home-commercial/ | #ffb81c |
| Battery & backup | /home-battery/ | #12a37a |
| EV charger installer | /home-ev/ | #3b82f6 |
| Farm & ground-mount | /home-farm/ | #e3a008 |
| Renewable energy company | /home-energy/ | #20b26b |
All six home pages are imported with every demo; the demo you pick decides which one is the front page and which colours and header the Customizer uses. To switch later, go to Settings → Reading and choose another home page.
Manual import
If the one-click import is blocked by your host, use the files in demo-content/:
- Tools → Import → WordPress (install the importer when asked) → upload
content.xml. - Install Widget Importer & Exporter → Tools → Widget Importer & Exporter → upload
widgets.wie. - Install Customizer Export/Import → Appearance → Customize → Export/Import → upload
customizer-<demo>.dat. - Appearance → Menus → Manage Locations: set the main, top bar and footer menus. Settings → Reading: choose the home and blog pages.
After the import: your details
The demo uses a made-up phone number, address, office hours and prices. Replace them with yours, in this order:
- Phone number and top bar: Appearance → Customize → Helivolt options → Header and top bar. Set Phone number, Top bar text (a short line such as your office hours; the part before a "·" is also shown in the Contact header layout) and the Label next to the phone (the demo says "Free survey"). Every "Call" button on the site uses this number.
- Logo and site icon: Appearance → Customize → Site Identity.
- Colours: Appearance → Customize → Colors. The six demo home pages each have their own accent colour (see Page options); clear it there to use the Customizer colour.
- Quote page, office hours, calculator figures and quote emails: Settings → Helivolt Core (see Quote requests, Office hours and Solar savings calculator).
- Footer widgets: Appearance → Widgets → Footer column 1–4: edit the Contact details widget (address, phone, email).
- Your content: edit the services, projects, team and reviews in the dashboard menus of the same names, and replace the grey placeholder photos with your own.
Services, projects, team and reviews
The Helivolt Core plugin adds four content types, a System types list and a Sectors list to the dashboard. Each content type has a Details box under the editor.
| Menu | Used for | Details |
|---|---|---|
Services/services/ | One page per service you sell (home solar, batteries, EV chargers…). Shown by the Services widget and the services archive, and listed in the quote form and the quote bar. | Icon, price from ("$2,650"), price note ("per kW installed, before incentives"), how the price works (per kW of system size, or fixed per job, charger or visit), install time, equipment, warranty, what is included (one per line) and an "At a glance" list (one line per item as label|value, for example Permits|We file them for you). |
Projects/projects/ | Your installed systems. Shown by the Projects widget as portfolio cards, newest first. | Switched on (a date), install time ("1 day"), system ("8.6 kW rooftop · 20 panels"), yearly output ("11,300 kWh a year"), yearly savings ("$1,940 a year"), location and an install timeline (one line per stage as when|what, for example Week 1|Roof survey and shade study). |
Team/team/ | The people clients meet: energy advisors, designers, electricians and installers. | Role, years with you, licences and certificates, specialty, where they are based and an optional email. The featured image is the portrait (a tall photo works best). |
| Reviews | Client reviews shown by the Reviews widget (no page of their own). | Rating, reviewer ("Homeowner, Oak Ridge"), project or service, where the review was left. The title is the reviewer's name; the text is the review. |
Sectors (under Projects) group projects and services by client type, for example Residential or
Commercial. Each sector has its own page at /sector/<name>/, and the Sectors widget shows each one as a
photo tile with its number of projects (the photo comes from the newest project in that sector).
System types (under Projects) group projects by the kind of system, for example Rooftop solar or
Battery storage, with a page at /system/<name>/. A project can have several of each; the Projects widget can show one
sector or one system type only.
Turn on Show filter buttons by sector in the Projects widget (or filter="yes" in the shortcode) to add a
button per sector above the cards; visitors click one to see only those projects.
The featured image of a service, project or post is used on its card and at the top of its page. Use landscape photos at least 1600 × 900 px.
Quote requests
The Quote form widget (or the [helivolt_quote] shortcode) asks for the client's
name, phone and email, the service, the system size if they know it, the preferred install date, the installation
address or ZIP code, their average monthly power bill, how to reply (email, phone call or home survey) and an optional
message. Name and a phone number or email are required. Spam protection is built in (a hidden field and a limit on
repeated sends) and no other plugin is needed.
- When the client picks a service priced per kW and types a system size, the form shows a guide price as they type (price per kW × size). Services with a fixed price show no guide price. The saved request gets its own estimate, worked out from the service price on the server.
- Every request is saved under Quotes in the dashboard, with a counter of new ones. Open a request to see the details and set its status: New, Contacted, Home survey booked, Proposal sent, Signed, Lost.
- The services in the form come from your Services, so they stay up to date.
- Settings → Helivolt Core → Quote enquiries: choose the Quote page (the page with the Quote form widget), turn email alerts on or off, choose the address (empty = the site admin email), list your Monthly power bill ranges (one per line; leave empty to hide the field), and edit the thank-you message and the privacy note under the form.
- Emails are sent by WordPress. If they do not arrive, install an SMTP plugin such as WP Mail SMTP; requests are saved in the dashboard either way.
The quote bar
Turn on Show the quote bar in the Hero widget. Visitors pick a service, their monthly power bill and their ZIP code and press Get my quote: the quote page opens with the form already filled in. The Get a quote for this button on each service page opens the same form with that service chosen, and the savings calculator's button fills in the system size it worked out.
Office hours
Settings → Helivolt Core → Office hours: set an opening and a closing time for each day. Leave both empty on days you are closed, and add an optional note (for example "Install crews work Monday to Saturday").
- The Office hours widget (Elementor) or
[helivolt_hours]shortcode shows the hours beside your address and phone number. The Helivolt: Office hours widget shows them in the sidebar or footer. - Today's row is highlighted, and a badge says Open now (with the closing time) or Closed now. The badge uses the time zone in Settings → General, and it is worked out in the visitor's browser, so it stays right even when your pages are cached.
- The week starts on the day set in Settings → General → Week Starts On; times use the time format set there.
Solar savings calculator
The Savings calculator widget (or [helivolt_calculator]) lets a visitor move a slider
to their average monthly power bill, pick where the home is and how much of the bill to cover, and optionally add a
home battery. It shows the estimated savings in year one, a 25-year savings chart, the system size, the number of
panels, the price after incentives, the payback year, the savings over 25 years and the CO₂ saved each year. It is
worked out in the browser: nothing is sent or stored until the visitor presses the button, which opens your quote
page with the system size filled in.
Settings → Helivolt Core → Solar savings calculator: set the currency symbol, the unit of
system size (kW or kWp), the electricity price per kWh, your sun regions (one per line as
Label|peak sun hours per day, for example Coast (5.2 sun hours)|5.2), the installed price per
kW, rebates and incentives (%), the panel size in watts, the battery price (0 hides the battery option), the yearly
electricity price rise, the CO₂ per kWh of grid power and the note under the result. The same unit and currency are
used by the quote bar, the quote form and the guide prices.
Page options
Each page has a Page options box in the editor sidebar:
- Accent colour for this page: overrides the Customizer accent on this page only. The demo uses it to give each demo home page its own colour.
- Colour scheme: light or dark for this page only (the Commercial solar demo is dark).
- Header layout: classic, centered or contact, for this page only.
Leave them empty to follow the Customizer.
Page templates
| Template | Use |
|---|---|
| Default | Page title band, content and no sidebar. |
| Full width, no title | For pages built with Elementor: the content fills the screen and you add your own hero. All demo pages use it. |
| Full width with title band | The title band, then full-width content. |
Customizer settings
Appearance → Customize. Colours are in the Colors section; everything else is in the Helivolt options panel. Changes show in the preview before you publish them.
| Setting | Type | Default |
|---|---|---|
| Colors | ||
| Accent colour (buttons, links, icons) | color | #ff8a1f |
| Ink colour (text, header, footer) | color | #0e2a30 |
| Paper colour (page background) | color | #f3f6f2 |
| Style and fonts | ||
| Colour scheme | select | Light |
| Show a light/dark switch in the header | checkbox | On |
| Heading font | select | Unbounded |
| Body font | select | Instrument Sans |
| Body text size (px) | number | 17 |
| Corner rounding (px) | number | 14 |
| Header and top bar | ||
| Header layout | select | Classic: logo left, menu right |
| Keep the header visible while scrolling | checkbox | On |
| Show the search button | checkbox | On |
| Header button text | text | empty |
| Header button link | url | empty |
| Show the top bar | checkbox | On |
| Top bar text (for example your office hours) | text | empty |
| Phone number | text | empty |
| Label next to the phone (for example "Free home surveys") | text | empty |
| Footer | ||
| Widget columns | select | 4 |
| Footer text (links allowed). Leave empty for the site name and year. | textarea | empty |
| Show a back-to-top button | checkbox | On |
| Blog | ||
| Post list layout | select | Grid of cards |
| Sidebar | select | Right |
| Show the author on posts | checkbox | On |
| Show the date on posts | checkbox | On |
| Show related posts under each post | checkbox | On |
| Mobile call bar | ||
| Show a call / quote bar at the bottom of phone screens | checkbox | On |
| Second button text (the first button calls your phone number) | text | empty |
| Second button link | url | empty |
The site title, tagline, logo, site icon, background and homepage settings are WordPress's own, in Site Identity, Background image and Homepage Settings.
Widgets
Appearance → Widgets. Areas: Blog sidebar and Footer column 1 to Footer column 4 (set the number of footer columns in the Customizer). The plugin adds three widgets, named Helivolt: … in the widget list:
- Contact details — phone, email, address, each with a link.
- Office hours — your hours from Settings → Helivolt Core, with an "Open now" badge.
- Services list — links to your services; the current service is highlighted.
Building pages with Elementor
All demo pages are built with the free Elementor plugin and the theme's widgets.
- Create a page, set its Template to Full width, no title, and click Edit with Elementor.
- Search for the widget or open the Helivolt group in the left panel and drag a widget onto the page.
- Edit its text and options in the left panel. Every widget has a Background option (light, paper, dark or accent colour) so sections alternate like the demo.
The widgets fill themselves from your content: Services, Sectors, Projects, Team, Reviews
and Latest posts show the items you add in the dashboard. List fields (prices, steps,
questions…) take one item per line, with the parts separated by |, as the help text under each field shows.
Elementor's own Google Fonts loading is switched off by the demo import, so the site keeps using the theme's self-hosted fonts.
Without Elementor: shortcodes
Every widget is also a shortcode, so you can build the same sections in the block editor: add a Shortcode block and type, for example:
[helivolt_calculator] [helivolt_projects count="6" columns="3" filter="yes"] [helivolt_quote title="Get a free solar quote"]
Options are the same as in Elementor. In list options, separate items with || and parts with
|. Images take an attachment ID (Media → Library → the number in the address) or a full URL.
Hero — [helivolt_hero]
| Option | What it does |
|---|---|
layout | Layout Choices: split, cover |
primary_label | Button text |
primary_url | Button link |
show_phone | Show the phone number (from the Customizer) |
secondary_label | Second button text (when the phone is hidden) |
secondary_url | Second button link |
badges | Trust points, one per line |
finder | Show the quote bar (service, power bill and ZIP code) |
image | Photo |
rating | Rating (for example 4.9/5) |
rating_text | Rating note (for example "from 640 homeowners") |
card_title | Floating card title |
card_text | Floating card text |
Also: eyebrow, title, text.
Services — [helivolt_services]
| Option | What it does |
|---|---|
count | How many |
sector | Only this sector (slug, optional) |
system | Only this system type (slug, optional) |
style | Style Choices: cards, icons |
show_price | Show prices |
more_label | Button under the grid |
more_url | Button link |
Also: eyebrow, title, text, columns, tone.
Sectors — [helivolt_sectors]
| Option | What it does |
|---|---|
count | How many sectors (4 fills the row best) |
Also: eyebrow, title, text, tone.
Reviews — [helivolt_reviews]
| Option | What it does |
|---|---|
summary | Summary line (for example "4.9 average from 210 reviews") |
count | How many |
only | Only these reviews: reviewer names, separated by commas (optional) |
Also: eyebrow, title, text, columns, tone.
Team — [helivolt_team]
| Option | What it does |
|---|---|
count | How many |
only | Only these people: names, separated by commas (optional) |
Also: eyebrow, title, text, columns, tone.
Numbers — [helivolt_stats]
| Option | What it does |
|---|---|
items | Numbers as Value|Label, one per line |
Also: tone.
Why choose us — [helivolt_features]
| Option | What it does |
|---|---|
items | Features as icon|Title|Text, one per line. Icons: panel, sun, sunrise, battery, plug, car, inverter, meter, tower, wind, thermo, chart, wallet, coins, leaf, bolt, home, roof, building, factory, barn, tool, drop, plan, truck, award, alert, size, globe, sparkle, heart, shield, clock, star, check, phone, pin, calendar, tag, users, badge. |
image | Photo (optional) |
Also: eyebrow, title, text, columns, tone.
How it works — [helivolt_steps]
| Option | What it does |
|---|---|
items | Steps as Title|Text, one per line |
Also: eyebrow, title, text, tone.
Prices — [helivolt_pricing]
| Option | What it does |
|---|---|
items | One price per line: Name|Price|Note|Feature; Feature; Feature|yes (to highlight)|Button text|Button link |
note | Small print under the prices |
Also: eyebrow, title, text, tone.
Questions — [helivolt_faq]
| Option | What it does |
|---|---|
items | Questions as Question|Answer, one per line |
Also: eyebrow, title, text, tone.
Call to action — [helivolt_cta]
| Option | What it does |
|---|---|
button_label | Button text |
button_url | Button link |
show_phone | Show the phone number |
Also: title, text, tone.
Trust strip — [helivolt_trust]
| Option | What it does |
|---|---|
items | Badges as icon|Text, one per line |
Also: tone.
Solar savings calculator — [helivolt_calculator]
| Option | What it does |
|---|---|
button | Button text (opens the quote page set in Settings → Helivolt Core) |
bill | Monthly bill shown at the start |
Also: eyebrow, title, text, tone.
Projects — [helivolt_projects]
| Option | What it does |
|---|---|
count | How many |
sector | Only this sector (slug, optional) |
system | Only this system type (slug, optional) |
filter | Show filter buttons by sector |
more_label | Button under the projects |
more_url | Button link |
Also: eyebrow, title, text, tone.
Latest posts — [helivolt_posts]
| Option | What it does |
|---|---|
count | How many |
category | Only this category (slug, optional) |
Also: eyebrow, title, text, tone.
Call-back banner — [helivolt_emergency]
| Option | What it does |
|---|---|
phone | Phone (empty = the Customizer phone) |
Also: title, text, tone.
Text and photo — [helivolt_about]
| Option | What it does |
|---|---|
image | Photo |
badge_value | Badge number (for example 2,400) |
badge_label | Badge text |
points | Points, one per line |
button_label | Button text |
button_url | Button link |
reverse | Photo on the right |
Also: eyebrow, title, text, tone.
Quote form — [helivolt_quote]
| Option | What it does |
|---|---|
layout | Layout Choices: split, stacked |
points | Points beside the form, one per line |
button | Button text |
show_phone | Show the phone number |
Also: eyebrow, title, text, tone.
Office hours — [helivolt_hours]
| Option | What it does |
|---|---|
address | Address |
map_url | Directions link (for example a map link) |
show_phone | Show the phone number |
Also: eyebrow, title, text, tone.
Shortcodes: [helivolt_hero], [helivolt_services], [helivolt_sectors], [helivolt_reviews], [helivolt_team], [helivolt_stats], [helivolt_features], [helivolt_steps], [helivolt_pricing], [helivolt_faq], [helivolt_cta], [helivolt_trust], [helivolt_calculator], [helivolt_projects], [helivolt_posts], [helivolt_emergency], [helivolt_about], [helivolt_quote], [helivolt_hours].
Block editor and patterns
Posts and simple pages use the WordPress block editor. Every core block is styled to match the theme, and the editor shows the theme's fonts and colours. Click + → Patterns → Helivolt for ready-made sections: hero with call button, three services, call to action, questions and answers, three reviews, price table and contact details. The theme also adds block styles: Card (Group), Check marks (List), Eyebrow (Paragraph) and Framed (Image).
Blog
Settings → Reading → Posts page sets the page that lists your posts (the demo uses "Blog"). Choose a grid or list layout and the sidebar position in Customize → Helivolt options → Blog. Posts show the author, date, category, share links (turn them off in Settings → Helivolt Core) and related posts.
Light and dark mode
Customize → Helivolt options → Style and fonts → Colour scheme: Light, Dark or Follow the visitor's device. With Show a light/dark switch on, visitors can switch with the moon button in the header; their choice is remembered on that device. A single page can be forced to light or dark in its Page options.
Child theme
If you want to change the theme's code, install helivolt-child.zip and activate Helivolt Child.
Put your CSS in the child theme's style.css and your PHP in its functions.php; copy a
template file from helivolt into the child theme to override it. Theme updates replace the parent theme
only, so your changes are kept.
Small style changes do not need a child theme: use Customize → Additional CSS.
Translation and right-to-left
Every text in the theme and the plugin can be translated. The templates are
helivolt/languages/helivolt.pot and helivolt-core/languages/helivolt-core.pot.
- Easiest: install Loco Translate → Loco Translate → Themes → Helivolt → New language, and translate in your browser. Do the same under Plugins for Helivolt Core.
- Or use Poedit: open the .pot file, translate, and save the files as
helivolt-fr_FR.po/.moinwp-content/languages/themes/.
Right-to-left languages (Arabic, Hebrew, Persian…) are supported: when WordPress runs in such a language, the layout mirrors automatically.
Updating
When a new version is released, download it from your ThemeForest Downloads page. Then either:
- Appearance → Themes → Add New Theme → Upload Theme → choose the new
helivolt.zip→ Replace current with uploaded; or - replace the
wp-content/themes/helivoltfolder by FTP.
When the theme comes with a newer Helivolt Core, the dashboard notice offers to update the plugin. Your content, menus, widgets and Customizer settings are kept. Changes you made to the parent theme's files are lost: keep them in the child theme.
Questions
"The package could not be installed. The theme is missing the style.css stylesheet."
You uploaded the whole download. Unzip it first and upload helivolt.zip only.
The import stopped or shows an error.
Your host stopped the import early. Ask them to raise max_execution_time to 300 and memory_limit to 256M, then run the import again: items already imported are skipped.
The pages look plain after the import.
Activate Elementor and the theme's plugin, then reload. Without Elementor, the pages show the same sections through shortcodes.
Quote request emails do not arrive.
Requests are always saved under Quotes. For email, check the address in Settings → Helivolt Core and install an SMTP plugin such as WP Mail SMTP; many hosts block WordPress's default mail.
Where are the demo photos?
They are licensed for the live demo only, so the import uses placeholders. Add your own photos in Media → Library and set them as featured images.
How do I change the font?
Customize → Helivolt options → Style and fonts → heading and body font. All fonts are included in the theme; no Google Fonts requests.
How do I remove the top bar or the phone bar on mobile?
Customize → Helivolt options → Header and top bar → Show the top bar, and Mobile call bar.
Can I use the theme on more than one site?
A Regular licence covers one site (one end product). Buy one licence per site.
Support
Support is included with your purchase and covers questions about the theme's features and fixing bugs. It does not cover custom changes or problems caused by other plugins.
Email support@codememory.com with your purchase code and your site address. See the changelog for what changed in each version and third-party materials for credits.