Latest posts

MDF Formaldehyde Free Alternatives - Made from Rice Stalks

The formaldehyde-free MDF non-toxic alternative made of natural rice-stalks
Condensation on windows in our homes - why is it there? - how to stop it?

Condensation on windows, what causes foggy & wet windows, is it a problem & how…
Net Zero Energy Homes Pilot Canada

Net zero energy homes Canadian pilot results
What is a Free Home Energy Audit Canada?

Free home energy audits in Canada

Related Advice

Can you install tubing under a slab on grade foundation to extract heat in wint…

Should I be considering 66 or 80 gallon heat pump water heater?

What is the best way to build a Slab on grade on bedrock

What is the best type of radiant floor heating for a garage?

Details regarding the heating and domestic hot water systems of the Edelweiss h…

What is the optimal setup for mechanical systems for slab on grade?

Is a vapor barrier necessary under a concrete slab with foam insulation and if …

Current info and references for Legalett Air Heated Shallow Foundation system

Related Guide

Ductless mini-split air source heat pump installed in a LEED certified PH Home

How heat pumps work in a LEED or Passive House high efficiency zero net energy …
Heat pump hot water heaters, why they're a good idea

How heat pump hot water heaters work and why you should get one
Radiant floor heat in a bathroom

DIY radiant floor installation
What is a heat pump

Heat pumps: what they are and how they work
Comparing ground source and air source heat pumps

Heat Pumps: Ground source geothermal GSHP or air source ASHP, which one is best…
heat pumps in tandem with heat pump hot water tanks

Increased efficiency with heat pumps working in tandem
Decentralized Energy Generation for LEED, Passive House & Green Homes

Which is the Best Type of Home Energy Generation for Green Homes?
Ecohome's Kenogami House 'The Most Resilient Home in North America'

Resilient design features for new home construction
I

should I use an air source heat pump in a Passive House?

Iain cunningham Published: March 27, 2019, 9:31 p.m.Last updated: Oct. 23, 2019, 11:55 a.m.

Iam looking to install ASHP ,HRV, UFH in slab, arin harvester , log burner, do I need all this or can I do without ASHP? Or can you advise me on a better system to install? I'm building 2 bungalows that are 120-125m2  on a polished slab.

Responses (0)

Related products

Professional services

Related Advice

Can you install tubing under a slab on grade foundation to extract heat in winter?
Posted by Jennifer Cole Aug. 28, 2019, 11:34 a.m. Slab on Grade 1 Responses

Should I be considering 66 or 80 gallon heat pump water heater?
Posted by Greg Anderson Dec. 19, 2018, 5:44 p.m. Plumbing and water heaters 1 Responses

What is the best way to build a Slab on grade on bedrock
Posted by peter owen Oct. 31, 2019, 3:33 p.m. Slab on Grade 1 Responses

What is the best type of radiant floor heating for a garage?
Posted by Anonymous March 24, 2017, 11:14 a.m. Delivery: radiant, forced-air and decentralized 1 Responses

Details regarding the heating and domestic hot water systems of the Edelweiss house
Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 1 Responses

What is the optimal setup for mechanical systems for slab on grade?
Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does the plastic vapor barrier go??
Posted by Les Poldark Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

Current info and references for Legalett Air Heated Shallow Foundation system
Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

Where do I start to build a small, affordable, low-maintenance house?
Posted by Ocean-Lynn Georgelin Oct. 22, 2019, 11:40 p.m. Concept and design 2 Responses

When you want water to drain out of a house
Posted by Wendy Tsao May 7, 2018, 12:46 p.m. Foundations and Basements 1 Responses

Starting from scratch in a Victorian row house: how should I heat/cool my home?
Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

Replacing an old slab foundation with an air heated slab.
Posted by Mike Molloy Nov. 7, 2019, 8:44 p.m. Slab on Grade 1 Responses

HRV/ERV systems and ground loops (earth tubes)
Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

Could solar thermal air system be coupled to existing HRV for heating the incoming fresh air?
Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

How much insulation if any should I install underneath my concrete slab in my basement
Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

Looking for great reasonably priced way to heat an off grid home
Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 1 Responses

Slab-on-grade instead of Pressure treated wood foundation
Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

What is the best option for building our next resilient home?
Posted by John Bae Aug. 27, 2019, 3:55 p.m. Efficient home design 1 Responses

Will I save energy by lowering my thermostat at night?
Posted by Ryan Peterson May 1, 2018, 11:51 a.m. Heating and cooling 4 Responses

Why do you say building on a slab is more ecological than starting with a basement?
Posted by Anonymous Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses

Electric Hot Water Heaters - should I install two smaller ones or big one?
Posted by Shaun B June 28, 2019, 2:14 p.m. Hot water 1 Responses

Slab on Grade for House in Grand Rapids MI - Can I get Prefab form kits & Assistance easily?
Posted by Greg Hooks Nov. 20, 2019, 3:35 p.m. Slab on Grade 1 Responses

Are there any updates on the progress of the second demonstration house?
Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

Can I use a solar thermal water heater to heat my pool in the summer and the floor of the garage that I am going to build?
Posted by Bill Loucks Oct. 5, 2019, 9:48 p.m. Solar thermal collectors 1 Responses

What is the right amount of insulation?
Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

Related Guide

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

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

Heat pumps can heat a house three times more efficiently than other heating types. When paired with a heat pump water heater this significantly reduces the cos…

See more
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 water heaters can help cut your hot water energy consumption by close to one third, particularly when partnered with an air source heat pump.… Heat p…

See more
Radiant floor heat in a bathroom
Delivery: radiant, forced-air and decentralized

DIY radiant floor installation

Radiant heated floors add comfort to a home and can help you heat more efficiently.… There is some debate in performance building circles, particularly in the…

See more
What is a heat pump
Heat pumps, geothermal and AC

Heat pumps: what they are and how they work

What is a heat pump? An energy efficient home heating system that can save you some money. Read on to find out how they work and if it makes sense for you.… Wh…

See more
Comparing ground source and air source heat pumps
Heating and cooling

Heat Pumps: Ground source geothermal GSHP or air source ASHP, which one is best for heating a home?

Comparing the performance of air source heat pumps and ground source geothermal heat pumps at the Living City Campus Archetype Sustainable House to discover wh…

See more
heat pumps in tandem with heat pump hot water tanks
Hot water

Increased efficiency with heat pumps working in tandem

A high efficiency mini-split heat pump feeds a heat pump water heater which will take a big bite out of the future energy bill of the Demo House.… Our previous…

See more
Decentralized Energy Generation for LEED, Passive House & Green Homes
Renewable energy

Which is the Best Type of Home Energy Generation for Green Homes?

Solar panels good, coal-fired power plant electricity bad. If only it were that simple to choose. We discuss the best alternatives for producing your own power…

See more
Search...