BOXT Discounts & Promo Codes
We know everyone loves a bargain, right? So check out our active promo codes and discounts across our product range below, so you can feel confident you're paying the best price possible for your installation.
Looking for a particular product offer? Use the links below...
Boilers
Boiler offers
Save £125 on all boilers
This September, save £125 on all boiler installations. Use code BOILERS125 at checkout¹.
Boiler offers
Bluelight Card Discount
Bluelight Card holders can save £60 on new boiler installations
The BOXT Price Match Promise
With BOXT, you can rest assured that you’re always paying the best price. In fact, we promise that if you get a like-for-like installation quote that’s cheaper than ours, we’ll beat it by £50.
The BOXT Price Match Promise
With BOXT, you can rest assured that you’re always paying the best price. In fact, we promise that if you get a like-for-like installation quote that’s cheaper than ours, we’ll beat it by £50.
Air Conditioning
Air con offers
Bluelight Card Discount
Bluelight Card holders can save £60 on air conditioning installations
Join our thousands of happy customers
Solar panels, Heat pumps & Battery storage
Solar offers
Buy One Panel, Get One Free
With BOXT, for every panel you pay for, we'll give you one free
Heat pump offers
Boiler Upgrade Scheme
Eligible households can save £7,500 on heat pump installations, via the Boiler Upgrade Scheme
Existing customers
Existing customer offers
Refer a friend
Refer a friend and they'll get £100 off their install, and you get a £100 voucher. It's win-win!
Existing customer offers
Returning customer discount
If you've bought from BOXT before, you can save £100 on your next install². Talk to our team to find out how to claim your discount.
¹BOILERS125 promotion ends 30th September 2026. Click here for full Terms & Conditions. Promo cannot be combined with other promo codes.
²Terms and Conditions apply to returning customer discount. Click here to learn more.