Heat pump systems - Articles | Plumbing & Mechanical

Air Conditioning Condenser Unit Mounted on a Concrete Slab outside of a Suburban Brick Home in Tennessee.

Hydronics Workshop | John Siegenthaler

What’s it capable of? (part 1)

Why accurate performance measurements are essential when evaluating an existing hydronic system for a heat pump.

January 9, 2026

Measuring the flow rate through a circuit has always been more of a challenge compared to measuring temperatures. Very few circuits are equipped with permanently installed flow meters.

The Verta Series air-to-water heat pumps.

NTI Verta Series air-to-water heat pumps

NTI has announced a new air-to-water heat pump series.

December 17, 2025

NTI announced its new Verta Series, air-to-water heat pumps designed for single-family homes and apartments with limited space

LG Multi V heat recovery heat pump variable refrigerant flow solution

LG Electronics has launched a new solution.

December 9, 2025

LG Electronics' new product is designed for commercial spaces.

The newly installed air source heat pump.

Case study: executive new build development in Bedfordshire adopts air source heat pump technology

A case study on a flagship installation at a new high-spec development in Wootton.

December 8, 2025

Bradbury Plumbers, in collaboration with Go Geothermal, has completed the first CTC EcoAir AB 700 system in a new development.

The Smart Hear Pump Control System from tekmar.

tekmar Smart Heat Pump Control System

The company has released a new system to streamline instillation of hydronic heat pump systems.

November 24, 2025

tekmar's new heat pump control system operates up to 4 heat pumps in 2 or 4-pipe configurations.

Aermec North America's new WWMG heat pump.

Aermec North America WWMG heat pump

The company has released a successor to their previous WWM model.

November 6, 2025

The WWMG heat pump allows for more heating and cooling per square foot, and its compact design make it an option for retrofitting.

Lochinvar 208V Veritus Air Source heat pump water heater

Lochinvar expands its Veritus heat pump water heater line with a new 208V model designed to meet the needs of diverse commercial applications.

September 23, 2025

The 208V model is designed for multifamily buildings, retrofits and other commercial projects.

The Nuos Side-Connect 80 gallon water heater.

Ariston Nuos Side-Connect and Multi-Fit Hybrid Heat Pump water heaters

New products aim to improve efficiency in a range of usage patterns,

September 8, 2025

Ariston USA has expanded their Nuos range with two new water heaters.

Fujitsu AIRSTAGE J-7S VRF heat pump

Fujitsu introduced a new line of VRF heat pumps.

June 27, 2025

These models offer greater flexibility, efficiency and more compact design.

AO Smith technician shaking hands with a man standing by a heat pump water heater(HPWH).

Heat Pump Water Heaters

Training and education essential to keep up with heat pump market growth

Manufacturers offer installation and maintenance tips for contractors.

Brandon Paykamian

March 20, 2025

The heat pump water heater (HPWH) market is set to grow from nearly $100 billion in 2024 to $156.59 billion by 2030, fueled by energy efficiency regulations, rising energy costs, urbanization, and a demand for sustainable solutions.