heat-pump-efficiency / Green Building & Sustainable Home Renovation Information & Advice

Ductless mini-split air source heat pump installed in a LEED certified PH Home
Heat pumps, geothermal and AC

How mini split heat pumps work in a LEED or Passive House high efficiency zero net energy home - video

How well does a mini split heat pump work in a LEED or Passive House certified home?  Really well as it happens, see a great example of a split system heat pump installation in the Edelweiss LEED Platinum V4 Home below: The Edelweiss House has a radiant floor to keep our feet comfortable but we rely on a Mitsubishi Mr....

Heat pump hot water heaters, why they're a good idea
Plumbing and water heaters

How heat pump hot water heaters work and why you should get one

Heat pump electric hot water heaters, good or bad idea? Water heaters are generally the biggest energy drain in a home after heating. so Air-to-water heat pump water heaters are potentially a big energy saver, particularly when the main heat source in a home is an air source heat pump, as the water heater can in effect...

Exterior compresssor heat pump water heater
Plumbing and water heaters

Heat pump water heater with exterior compressor

There are many manufacturers of heat pump water heaters on the market, which, rather than heating water with an electric coil as a normal electric hot water tank does, employ an evaporator to extract heat from the air (either interior or exterior) and use it to make hot water. The byproduct of an air-to-water heat pump...

Geothermal heating vs. Air Source Heat Pumps
Heat pumps, geothermal and AC

Air Source Heat Pumps vs. Geothermal Heating: Which is Better for Your Home?

Geothermal vs. ASHPs - what's the difference? Heating and cooling systems play a crucial role in maintaining comfortable indoor temperatures in homes everywhere . With advancements in technology, homeowners have various options for energy-efficient heating and cooling systems. Two popular choices are geothermal heating...

heat pumps in tandem with heat pump hot water tanks
Heat pumps, geothermal and AC

Increased efficiency with heat pumps working in tandem

Our previous update covered aspects of the building envelope, which allowed us to reduce the annual heating requirement to about the Passive House standard of 15 kWh per square meter. Windows are a part of that but they are also part of our energy performance strategy. The house is laid out south facing to maximize pas...

How do Heat Pumps Work? Ecohome Explains all about Heat Pumps...
Heat pumps, geothermal and AC

Heat pumps: what they are and how they work

Heat Pumps explained simply When it comes to residential heating and cooling systems, few types of heating systems are as energy efficient as heat pumps. But what exactly are heat pumps and how do they work? In short, a heat pump is simply an electrically powered device that is capable of transferring heat from one pla...

Compare Heat Pump Ratings SEER v HSPF v SCOP v COP
Heat pumps, geothermal and AC

Heat Pump Efficiency explained - The definitive guide to SEER vs HSPF vs (S) COP Heat Pump Ratings

SEER v HSPF v COP (& SCOP): Understanding Heat Pump Ratings Many people are considering making the switch to a heat pump, for a variety of different reasons, including the heat pump grants available in Canada and the USA to offset the cost and the potential cost savings of buying and installing a single unit that c...

Comparing ground source and air source heat pumps
Heating and cooling

Heat Pumps: Ground source geothermal GSHP or air source ASHP, what's the difference?

Air Source Heat Pumps, and are Ground Source Heat Pumps "Geothermal?" Let's clear up some confusion on terminology regarding heat pumps - search Google for Geothermal Heating Systems and you will find hundreds maybe thousands of companies using the word "Geothermal" to describe ground source heat pumps, two systems tha...

Aeratron AE2 ceiling fan
Ventilation

Ceiling fans and air circulation- video

In order to ensure comfort and get the most from the various systems of our house air needs to move around. Our air source heat pump and our heat pump water heater work together in boosting the efficiency, and the ceiling fan is a big part of making that happen. This video explains the relationship between those syste...

Which Heat Pump is the Best for reliability, efficiency and cost?
Heat pumps, geothermal and AC

Heat pump buying guide: review of the top 10 heat pumps

How do the best heat pumps work? A heat pump works very differently than other home heating systems, in that it doesn’t ‘generate’ heat the way a furnace, boiler, radiator, oven or even a toaster or hair dryer would; instead, it collects heat from one place and transfers it to another. Think of your refrigerator as an ...

Geothermal Heating Systems
Heat pumps, geothermal and AC

Geothermal heating for Homes in North America - Does it work & will it save money?

Geothermal Heating Systems for Homes Domestic Geothermal heating systems can be a great way to heat a home, replace a furnace, and are labeled as money savers. Question is, are they worth the hype? Here's a quick view first of how they operate. Starting at depths of between 6 and 10 metres, the temperature of the earth...