Exploring Intergas boiler reviews can help you decide if this Dutch brand’s efficient and reliable heating systems fit your UK home or rental property. This in-depth guide covers key aspects like models, pricing, guarantees, and user feedback to inform your choice as a homeowner or landlord.
Intergas Boiler Reviews: At A Glance
Intergas boilers are renowned for their innovative Dutch design focusing on reliability with fewer parts, making them a solid choice for efficient home heating in the UK. Below is a comprehensive table summarising essential details.
| Aspect | Details |
| Founded | 1939 |
| Origin | Netherlands (headquartered in Coevorden; UK office since 2008; part of Rheem since 2019) |
| Awards | ISO 9001 and 14001 certified; HHIC member; recognised for reliability in Which? Trusted Traders report (most reliable brand in 2020 survey); Kiwa certified for BRL K25000 |
| Efficiency | Up to 94% (ErP A-rated); innovative 2-in-1 heat exchanger reduces energy use and emissions |
| Boiler Types | Combi (e.g., Xclusive, Xtreme, Rapid), System (e.g., HRE SB), Regular/Conventional (e.g., HRE OV, ECO RF) |
| Estimated Prices (Supply Only) | £625–£1,155 for combi; £700–£1,000 for system; £725–£945 for regular |
| Guarantee | 3–10 years depending on model (e.g., 10 years for Xclusive and ECO RF); heat exchanger up to 10 years; registration required within 30 days |
| Pros | High reliability with fewer moving parts, quiet operation, strong hot water flow, good value for mid-range pricing, eco-friendly low emissions |
| Cons | Less widespread UK recognition compared to bigger brands, potential delays in parts availability, average customer satisfaction scores from Which? |
| Maintenance and Servicing | Annual Gas Safe engineer servicing required to maintain guarantee; simple design with no diverter valve or auto-air vent reduces fault risks; easy access for checks |
Who Are Intergas: A Brief Background
Intergas originated in the Netherlands in 1939, initially producing home products before shifting to heating solutions in the mid-1960s. By the 1990s, the company led in high-efficiency condensing boilers, pioneering designs like the 2-in-1 heat exchanger.
Entering the UK market in 2008 with a Midlands-based office and warehouse, Intergas focuses on energy-saving gas boilers for residential use. Acquired by US giant Rheem in 2019, it now emphasises sustainable heating, reducing emissions and bills for UK properties.
Are Intergas Boilers Worth It?
Intergas boilers are worth it for those seeking reliable, low-maintenance heating with strong efficiency, especially in homes where durability outweighs brand familiarity. They offer good value through innovative engineering that minimises breakdowns, though they may not suit budget-conscious buyers due to mid-range pricing.
Pros and Cons of Intergas Boilers
Pros:
- Exceptional reliability with minimal components (no diverter valve or auto-air vent), leading to fewer faults and longer lifespan.
- High energy efficiency up to 94%, potentially saving on gas bills and supporting eco-friendly home heating.
- Quiet operation and impressive hot water flow rates, ideal for family homes or properties with multiple bathrooms.
- Competitive guarantees up to 10 years, backed by positive installer feedback on build quality.
- Versatile for various setups, including OpenTherm compatibility for smart controls and potential LPG conversion.
Cons:
- Lower customer satisfaction scores from Which? (two stars), with some owners noting average performance compared to premium rivals.
- Limited UK market presence may mean fewer installers in remote areas, affecting service speed.
- Higher upfront costs for top models like Xclusive, though offset by long-term savings.
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How Efficient Are Intergas Boilers?
Intergas boilers are highly efficient, achieving up to 94% ErP A-rated performance through their patented 2-in-1 heat exchanger that combines heating and hot water functions without extra parts.
This design minimises energy loss, potentially cutting annual heating costs by optimising fuel use in UK homes, while low NOx emissions enhance environmental credentials.
Intergas Boiler Range
Intergas provides a streamlined range of gas boilers tailored for UK households, encompassing combi, system, and regular (conventional) types. Each incorporates the brand’s signature 2-in-1 heat exchanger for enhanced reliability and efficiency, catering to different property sizes and hot water requirements.
Intergas Combi Boiler Range
Intergas combi boilers deliver on-demand heating and hot water in a single unit, perfect for space-saving in smaller UK homes. The Xclusive series (24, 30, 36kW) features a touchscreen interface, built-in expansion vessel, and dual OpenTherm inputs for smart integration.
The Xtreme range (30, 36kW) adds passive flue gas heat recovery for extra efficiency gains. Budget-friendly options include the Rapid (25, 32, 40kW) and Rapid Plus (25, 32kW), while the Combi Compact HRE (18-42.5kW models like 24/18, 28/24, 36/30) offers interchangeable parts for easy upkeep.
Intergas System Boiler Range
Intergas system boilers pair with external cylinders for properties needing stored hot water, such as larger homes with multiple outlets. The Combi Compact HRE SB series (18, 24, 28, 36kW) provides robust outputs with the 2-in-1 exchanger, ensuring consistent performance and minimal standby losses.
These models suit vented or unvented cylinders, offering flexibility for landlords upgrading rental properties.
Intergas Conventional Boiler Range
Intergas conventional (regular) boilers, also called heat-only or open-vent, work with separate tanks and cylinders for traditional systems in older UK homes.
The Combi Compact HRE OV range (12, 18, 24kW) and ECO RF series (24, 30, 36kW) deliver reliable heating with high efficiency, featuring weather compensation compatibility and simple controls for straightforward integration.
Intergas Boiler Most Popular Models
Intergas’s most popular models excel in balancing efficiency, reliability, and features for typical UK setups, from compact apartments to family houses. These include combi-focused options for instant hot water and system/regular for higher demands. The table below details standout choices.
| Model | Type | Output (kW) | Efficiency | Key Features |
| Xclusive 30 | Combi | 26.6 | 94% | Touchscreen, built-in filling loop, low emissions, OpenTherm ready |
| Xtreme 36 | Combi | 31.8 | 94% | Passive heat recovery, quiet, high hot water flow up to 15 l/min |
| ECO RF 30 | Regular | 30 | 94% | Fewer parts for reliability, weather compensation, LPG convertible |
| HRE SB 28 | System | 28 | 94% | Compatible with cylinders, minimal losses, easy servicing |
Intergas Boiler Costs
Intergas boiler costs reflect their mid-range positioning, offering good value for durable Dutch engineering. Supply prices start low for basic models but rise for premium features; installation typically adds £500–£1,000 based on your setup. Here’s a breakdown by type.
| Range/Model | Type | Estimated Supply Cost (£) |
| Xclusive 24–36 | Combi | 1,000–1,150 |
| Xtreme 30–36 | Combi | 1,050–1,200 |
| Rapid 25–40 | Combi | 625–800 |
| Combi Compact HRE 18–42.5 | Combi | 775–1,020 |
| HRE SB 18–36 | System | 700–950 |
| HRE OV 12–24 | Regular/Conventional | 725–900 |
| ECO RF 24–36 | Regular/Conventional | 990–1,155 |
Intergas Boiler Achievements and Honours
Intergas has garnered honours for its pioneering boiler technology, including ISO 9001 and 14001 certifications for quality and environmental management, plus HHIC membership.
Recognised as the most reliable brand in a 2020 Which? Trusted Traders report due to fault-resistant designs, the company also holds Kiwa certification and has been praised for innovations like the 2-in-1 heat exchanger.
Trustpilot Reviews for Intergas Boilers
Trustpilot reviews for Intergas boilers show a strong 4.8/5 rating from 1,586 users, with 85% awarding five stars for aspects like whisper-quiet running and reliable hot water. Owners appreciate the efficiency and minimal breakdowns, though a few mention occasional faults like blockages; overall, feedback highlights durable performance for UK heating needs.
Intergas Boiler Guarantee: What You Can Expect
Intergas boiler guarantees provide comprehensive coverage, with terms varying by model—10 years for Eco RF and Xclusive, 7 years for Xtreme and HRE, 6 years for Rapid Plus, and 3 years for Rapid.
The heat exchanger often extends to 10 years, requiring annual servicing by a Gas Safe engineer and registration within 30 days of installation for full validity.
Are Intergas Boilers Right For You?
Intergas boilers are right for you if you prioritise reliability and efficiency in a straightforward heating system. Here’s expert guidance to help decide.
Choose Intergas boilers if…
- You want fewer parts for lower breakdown risks in a busy household or rental.
- Long guarantees (up to 10 years) and energy savings appeal for cost-effective ownership.
- Quiet, eco-friendly operation suits your modern UK home with smart control needs.
- Mid-range pricing fits your budget for durable, Dutch-built quality.
Don’t choose Intergas boilers if…
- You prefer well-known UK brands with wider installer networks.
- Your property requires ultra-premium features beyond basic efficiency.
- Budget constraints demand the cheapest entry-level options upfront.
Need a New Boiler Quote?
Ready for an upgrade? Get a new boiler quote from Boilers 2 Go—our specialists can assess your home’s needs and provide competitive options for reliable heating.
FAQs
How Does Intergas’s 2-in-1 Heat Exchanger Benefit Hard Water Areas?
Intergas’s 2-in-1 heat exchanger resists limescale buildup better than traditional designs, maintaining efficiency in UK hard water regions like the Southeast by reducing the need for frequent descaling.
What Hybrid Options Does Intergas Offer for Future-Proofing?
Intergas’s Xtend hybrid system integrates with existing gas boilers and heat pumps, allowing seamless transitions to low-carbon heating while boosting efficiency by up to 30% in compatible setups.
Can Intergas Boilers Integrate with Solar Thermal Systems?
Yes, models like the Xclusive support solar thermal compatibility via optional kits, enabling preheated water input to cut gas usage and enhance renewable energy use in eco-focused homes.
How Do Intergas Boilers Perform in LPG Conversions?
Intergas offers easy LPG conversion kits for rural UK properties off the gas grid, with models like the ECO RF maintaining high efficiency and reliability without major modifications.
What Advanced Diagnostics Do Intergas Boilers Provide?
Intergas boilers feature built-in error codes and app connectivity via Gateway for remote monitoring, helping homeowners spot issues early and schedule proactive maintenance.
I’m Penny North, a home energy heating expert. My mission is to demystify new boilers and complex heating systems to help you achieve a warm, cosy home with lower energy bills and a smaller environmental footprint.

