36 kW Vaillant ecoTEC Plus —
4-Bed HMO, Heatmiser Controls
A 4-bedroom, 3-bathroom HMO with no space for a cylinder, high hot water demand, and a landlord who needed full control over heating use. A 36 kW Vaillant combi with Heatmiser smart controls — installed on time, at a very competitive price.
The installation
The challenge
A 4-bedroom HMO in the Midlands with a failing old system boiler. The property had no space for a replacement cylinder — it needed to come out — and the landlord wanted controls that tenants could use room-by-room without running up unnecessary bills. A high-output combi with smart controls was the right answer.
Why 36 kW
With 4 bedrooms and 3 bathrooms, this HMO places far higher simultaneous demand on hot water than a standard family home. A 36 kW combi delivers the flow rates needed to serve multiple bathrooms without a cylinder — and the Vaillant ecoTEC Plus is one of the most reliable units on the market for doing exactly that, A-rated for efficiency.
No cylinder — practical solution
Removing the cylinder freed up a significant amount of space in the property — useful in an HMO where every square foot of storage matters. A combi provides hot water on demand and eliminates the risk of Legionella associated with stored water in a poorly maintained cylinder.
Heatmiser controls
Heatmiser smart controls were fitted throughout — giving the landlord visibility and control over the heating system remotely, and allowing individual room temperature management. For an HMO, this means tenants aren't wasting energy heating unoccupied rooms, and the landlord has a clear audit trail for heating use.
Pricing
The landlord had obtained quotes elsewhere. PGAD came in significantly more competitive while specifying the same 36 kW Vaillant ecoTEC Plus unit. No cut corners — full Gas Safe documentation, Building Regulations notification, system flush, inhibitor treatment, and Benchmark commissioning record all completed on the day.
36 kW
Boiler output
4 bed
HMO property
3
Bathrooms
A-rated
Efficiency
Everything included in the price
- ✓Removal and disposal of old system boiler and cylinder
- ✓Supply and installation of 36 kW Vaillant ecoTEC Plus
- ✓Full system power flush and inhibitor treatment
- ✓Heatmiser smart controls — supply, installation and setup
- ✓All pipework modifications and gas connections
- ✓Commissioning and Benchmark record
- ✓Gas Safe certificate on completion
- ✓Building Regulations Part J notification
About the Vaillant ecoTEC Plus
The Vaillant ecoTEC Plus is one of the best-regarded combi boilers on the UK market — consistently rated for reliability, efficiency, and build quality. The 36 kW output model is specifically well-suited to properties with 3 or more bathrooms and high simultaneous hot water demand, making it the right choice for this 4-bed, 3-bathroom HMO.
ErP A-rated for heating and hot water. Low NOx emissions. Suitable for natural gas installations with a standard flue configuration.
Paired with Heatmiser smart controls, the system gives the landlord full remote visibility and tenant-level heating management — a practical setup for any multi-room rental property.
What the customer said
"Fantastic install very well priced"
Anjumen
Coventry · Verified Google Review
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