BOXT voucher code - August 2026

£125 Off Combi Boilers - Ends 31st July 2026

View Terms Save £125 on all combi boilers including Worcester Bosch, Vaillant, Ideal and Navien. Offer ends 31st July 2026. Not combinable with other promo codes.

Heat Pumps Installed from £4,799 - Get Installed Within 4 Weeks

View Terms Heat pumps installed from £4,799 with installation within 4 weeks. Get a quote from a BOXT heat pump expert today.

0% Interest Finance on Air Conditioning Installations

View Terms Spread the cost of your air conditioning installation with 0% interest finance options available through BOXT.

Free Solar Design with 3D Mapping Technology on Solar Quotes

View Terms Get a free solar design based on 3D mapping technology when you request an instant online quote for solar panels.

Air Conditioning Installed from £2,299

View Terms Get air conditioning installed in your home from £2,299 with expert installation from BOXT.

New Boilers Installed from £1,790

View Terms Get a new boiler installed from £1,790 with BOXT, the #1 online installer of heating, cooling and renewables.

£100 Voucher When You Refer a Friend to BOXT

View Terms Receive a £100 voucher when you refer a friend to BOXT for their boiler, heat pump, or solar installation.

£125 Off All Boilers - Not Combinable with Other Promo Codes

View Terms Save £125 on all boilers. Offer ends 31st July 2026. Not combinable with other promo codes.

BOXT Price Match Promise - Beat Any Like-for-Like Quote by £50

View Terms BOXT guarantees to beat any like-for-like boiler installation quote by £50. Find a cheaper quote and BOXT will beat it.

Boiler Repair Visit for Just £89 with One-Year Workmanship Guarantee

View Terms Get a boiler repair visit for just £89 with a one-year workmanship guarantee and no upfront payment.

Boiler Service for £8.99 a Month - Protect Your Boiler Warranty

View Terms Protect your boiler warranty with a boiler service for £8.99 a month.

0% Interest Finance on Solar Panel Installations

View Terms Finance your solar panel installation with 0% interest options available through BOXT.

0% Interest Finance on Heat Pump Installations

View Terms Spread the cost of your heat pump with 0% interest finance options available through BOXT.

0% Interest Finance on Boilers - Monthly Payments from £11.57

View Terms Finance options available including 0% interest. Monthly payments available from £11.57 for your new boiler installation.

Up to £750 Rebate on Tesla Powerwall 3 Battery Storage Installs

View Terms Get up to £750 rebate on Tesla Powerwall 3 battery storage installations through BOXT.

Buy One Solar Panel Get One FREE with 3D Mapping Solar Design

View Terms Buy one solar panel, get one free. Get an instant online quote plus free solar design based on 3D mapping technology.

Save £7,500 on a New Heat Pump - Installed Within 4 Weeks

View Terms Save £7,500 on a new heat pump and get it installed within 4 weeks. Prices from £4,799.

Discover current promotions at BOXT

View Terms BOXT offers a range of products and services. Visit their website for current deals.