Renewable Heating, Explained by the People Who Build It

Clear definitions of solar thermal, PVT and heat pump terminology — written by the engineers who build the technology.

• Absorber
• Air Separator & Air Vent
• Air-to-Water Heat Pump
• Aperture Area
• Bivalent Heating System

Sizing, costs, payback, installation, incentives — the questions installers and homeowners actually ask, answered directly.

• Air-to-air vs air-to-water heat pumps: which do you need?
• Are PVT hybrid panels eligible for grants in 2026?
• Are PVT panels actually better than plain PV?
• Are R290 (propane) heat pumps safe?
• At what COP does a heat pump beat a gas boiler on running cost?

Short, straight answers to the questions installers and homeowners ask most — grouped by topic so you can scan them in a minute.

• Costs, Payback & Incentives FAQ
• Heat Pump FAQ
• Hot Water Tank & Storage FAQ
• PVT Hybrid Panel FAQ
• Solar Thermal FAQ

Complete guides to solar thermal, PVT hybrid, heat pump and thermal storage technology — from working principles to certification.

• Conto Termico 3.0: Italy's Renewable Heating Incentive (2026)
• ETS2 in 2028: How the EU Carbon Price Will Change Heating Bills
• EU Energy Labels for Heating: Classes, Rescale Plans and Tank Labels
• EU F-Gas Regulation: the 2027 Refrigerant Bans and the R290 Shift
• Germany's BEG Heating Subsidies 2026: Rates, Bonuses, Eligibility

Signed articles from Solimpeks engineers and specialists: quality, certification, R&D, and market analysis.

• How Solimpeks Ensures Product Excellence with ISO 9001:2015
• Case Study: A Solar-Assisted Heat Pump Runs an Entire Office Building in Konya
• R290 Heat Pumps: Safe Innovation, Not a Hidden Hazard
• Are Pool Heat Pumps Really Efficient — and What Will They Cost?
• OPTIX: Building Positive-Energy Districts with Renewable Heating and Cooling