iHeat or Boxt: Boiler Installation Review
Update: August 2026
It was a tight call, but iHeat* is our recommended new boiler installation provider in August 2026.
We found their fixed price, online quotation system very easy and quick to navigate through, and got the most competitive price out of all the providers we tested.
A good range of boilers were available to select from with warranty and after-care arranged and confirmed by iHeat*.
No hidden costs were added and a financing option to pay monthly was available to apply for, if required.
A next day installation slot was available and the communication was efficient.
To get a wider range of opinions, a high Trustpilot rating indicates most customers had a very positive installation experience. As of August 2026, iHeat are also a Which? Trusted Traders approved service.
Visit iHeat* for a no-obligation and instant online quote.
Choosing the Right Boiler for Your Home
Choosing a new boiler is an important decision that can impact your home’s comfort, efficiency, and maintenance costs. As you evaluate options like iHeat or Boxt, here are key considerations to ensure you select the best system for your needs.
Upfront Cost vs Long Term Value
While upfront price is crucial, the long-term value depends on efficiency, performance and reliability. Consider total lifetime costs, not just initial boiler expense. A few extra quid upfront can equate to thousands in savings over your boiler’s lifespan.
Efficiency Ratings
Pay attention to efficiency ratings like AFUE for gas boilers and COP for heat pumps. Higher numbers translate to greater efficiency and lower monthly bills. Heat pump systems tend to rate higher than traditional gas boilers.
Size Requirements
Size significantly impacts performance. An oversized boiler cycles on/off more, reducing efficiency. An undersized unit can’t keep up with heat demand. Work with an HVAC professional to accurately size your boiler to your home’s needs.
Installation and Service
Even the best boiler will underperform if improperly installed. Seek qualified technicians to ensure your unit is correctly sized, located and integrated with existing systems. Additionally, regular maintenance improves safety and efficiency.
Smart Home Connectivity
Many modern systems connect to wifi for more control. Adjust temperatures remotely, troubleshoot issues, and receive performance data from a smartphone app. Smart connectivity provides convenience and can optimise energy use.
Warranties and Reliability
Reputable brands offer warranties of 5-10 years or more. Additionally, occupant reviews highlight real-world reliability, noise levels and overall owner satisfaction. Systems requiring frequent repairs waste money and disrupt comfort.
Motivations for Upgrading
If your existing boiler still functions sufficiently, why replace it? Beyond end-of-life failure, motivations can include improving efficiency, adding connectivity, converting to a different fuel source, or enhancing overall performance and reliability.
Key Differences Between iHeat and Boxt
How do these two top boiler brands compare? Weigh their unique strengths and weaknesses:
iHeat
As the UK’s 1 boiler brand, iHeat is known for…
● High efficiency ratings – some models reach A+++
● Wide range of gas and heat pump systems
● Smart home integration and app connectivity
● Extended 10 year parts and labour warranty
● Quiet, compact wall-mounted designs
They’re pricier upfront but the lower operating costs can yield savings over time. The warranty provides peace of mind should problems arise down the road. The wifi app offers excellent remote monitoring and control. Noise levels are lower than many competitors too.
Boxt
This brand offers compelling benefits like….
● Lower upfront cost than comparable iHeat units
● Impressive 10 year warranty on parts and 5 years on labour
● High quality components and good reliability ratings
● Option for quick next day professional installation
So while the overall warranty is shorter than iHeat’s, the reassurance of professional installation can provide added value. Boxt utilises quality components for good real-world reliability. If budget is a primary factor, their lower purchase prices make this brand appealing.
Key Takeaways – What’s Best for You?
Evaluate the following to decide if iHeat or Boxt aligns better to your priorities:
● Upfront Cost – Do you need the lowest initial price or can you invest more for long term savings?
● Efficiency and Energy Bills – Is maximising efficiency to reduce costs a top consideration?
● Smart Connectivity – How important is controlling your boiler via smartphone?
● Warranties/Reliability – Does an extended warranty or strong reliability rating hold more weight?
● Installation – Is professional installation preferred even at added cost?
Carefully weighing aspects like these can guide your decision between these high quality boiler options. Consider both empirical data around efficiency and warranties as well as actual homeowner experiences with real-world reliability and performance. Identify your top priorities, compare to what each brand offers, and determine the optimal system to warm your home.