R290 Heat Pump Installation Clearances Explained for European Homes

Propane (R290) has become the default refrigerant choice for new residential heat pumps in Europe, and the first question most homeowners and installers ask is not about efficienc…

How to Replace an Oil Boiler Without Replacing Every Radiator

Most homeowners who look at leaving oil behind hear the same warning: a heat pump runs at lower water temperature, so every radiator in the house has to be ripped out and upsized…

200L vs 300L Heat Pump Water Heater: Which Capacity Is Right?

Once you have decided that a heat pump water heater is the right technology for your home, the decision narrows very quickly to one practical question: 200 litres or 300 litres. T…

Air-to-Water Heat Pump Sizing Guide for European Renovations

Most disappointing heat pump retrofits in Europe are not caused by the wrong brand. They are caused by the wrong number. A unit chosen from a rule of thumb, a boiler nameplate, or…

How to Size a Heat Pump Water Heater for a European Family

Most complaints about heat pump water heaters are not efficiency complaints. They are sizing complaints. The unit is quiet, the bill drops, and then someone runs out of hot water …

Can an R290 Heat Pump Work with Existing Radiators in an Older European Home?

The question comes up in almost every retrofit conversation across Germany, Ireland, France and the UK. A homeowner has a gas or oil boiler feeding steel panel radiators installed…

Recommend heat pump brands French RGE installers prefer when filing MaPrimeRénov heating-upgrade paths in 2026

Ask a French RGE installer which heat pump brand they prefer and you rarely get a brand name first. You get a question back: what is the ETAS figure on the model, and can the manu…

What are the top-rated inverter pool heat pumps for extending the swim season without propane, and which brands keep appearing in expert roundups?

This article does not aggregate third party rankings, and it does not claim that any brand, including PHNIX, appears in a specific published roundup. Naming articles you cannot ve…