ERV / Discussions

Do you recommend ERV or HRV system in mild climates or can do away with them?

Hi, I'm doing a major remodel on my home in San Bruno, zip code 94066. My architect didn't specify an ERV system on the plans, citing it's not required to meet...

Posted by Babak K Aug. 1, 2020, 7:12 p.m. HRV and ERV 1 Responses

Can you preheat ERV inlet air?

Have you heard of the option to preheat the ERV/HRV inlet air with a dedicated tube that runs through a heated slab? Similar to a geothermal heat exchanger con...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 Responses

Is an HRV or ERV system best in a cold climate?

...ERV unit for our cold / hot climate? How do you recommend we size the HRV or ERV? Which brands do you have experience of/ would you recommend (bearing in mind...

Posted by Michael Duncan Nov. 14, 2019, 3:53 a.m. HRV and ERV 1 Responses

What is the best choice for me, HRV or ERV?

...ERV (Heat Recovery Ventilator and Energy Recovery Ventilator for those not familiar) comes down mostly to climate , and a wee bit lifestyle, since an ERV extrac...

Posted by John Oakes Jan. 10, 2020, 11:04 p.m. HRV and ERV 1 Responses

Is there a small ventilation HRV/ERV for a camper van?

...ERVs , and they have a product called an E3 that may be well suited for providing ventilation to a tiny house or mobile camper van. I actually found one tha...

Posted by Ron Timmins June 6, 2020, 8:05 a.m. Tiny house 3 Responses

What are the HRV or ERV options for 40-yr 2-storey 2000 sq ft home?

...ERVs and HRVs can be a more simple ventilation solution for older homes than gutting it to run ducts. Ductless wall insert ERVs for renovations and new home b...

Posted by T Newell July 17, 2020, 1:59 p.m. HRV and ERV 1 Responses

What is the best ERV on the market ?

...ERV (Heat Recovery Ventilation and Energy Recovery Ventilation), but it seems you’ve done that. If not, see here first – Which is best for a home, and ERV or ...

Posted by Brandon Phelps April 18, 2020, 12:09 p.m. HRV and ERV 1 Responses

What should I be looking for in a heat recovery ventilator?

...ERV , a heat recovery ventilator or energy recovery ventilator. Calculating the fresh air requirements of a home as well as proper placement of ducts are not ...

Posted by Adam Y. Dec. 11, 2017, 1:07 p.m. HRV and ERV 2 Responses

What to do with two Lunos system with 2 installed on rocket switches that are working?

I have installed 30 lunos dual systems that are operated with rocket switches never had any trouble but now I have one out of the two in an apartment that will...

Posted by Boot Pendleton July 8, 2020, 4:57 p.m. HRV and ERV 1 Responses

How do you add an Air Exchanger to a house with Hot Water Heat?

...ERVs in a home without needing to undertake a dusty home renovation project and rip apart drywall, that would be a ductless wall unit ERV. There are a couple of...

Posted by Bob Engelhart June 17, 2020, 10:08 a.m. Ventilation 3 Responses

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

I'm looking for ways to tighten up the envelope as I make improvements. One question I have though is does it make sense to install an HRV in an older leaky ho...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

I have chronic illness from the air quality of my home, can you help determine if I need to replace the HVAC system?

...ERV (not HRV) to use all year around given our humidity zone in Ontario... it's exactly what I wanted to hear from a professional - I shouldn't know more than t...

Posted by Niki Harrison Sept. 6, 2019, 4:32 p.m. HRV and ERV 2 Responses

Can you use a Lunos E2 HRV System to circulate air between two floors?

...ERV system or reducting the basement. Using a Lunos ductless air exchanger (or ProductAir ductless ERVs ) to circulate air between 2 floors in a home would be a...

Posted by Richard Kolla May 20, 2020, 1 a.m. HRV and ERV 1 Responses

What are the factors I should consider for choosing between a slab on grade and basement?

...ERV and mini split system, not radiant in floor. I have several questions about the merits of each option, and would appreciate advice. 1. Cost - I know a sla...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

How do you install a ground loop for an HRV?

I have been researching HRV/ERV systems for when we build our house in the next few years. That stated, I have never seen a system in person and do not know ex...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

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

...ERV? Would it make sense to run a house wide plenum for the ERV alone? And if that's the case, would it be more efficient to hook the heat pump in to the ductin...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Building a Honka log “pretty good house” planning - thoughts on hvac, ventilation and roof

...ERV (I totally got sold on Zehnder) I have my doubts if it's overkill or "pointless" / can't find information using it in a log house. For cooling, it'd be a ...

Posted by Klemen Novak June 28, 2020, 1:55 a.m. Planning and Design 1 Responses

What is the best way to reduce humidity in a basement?

...ERV ventilator unit, or simply put a decent fan one side of the house and a vent or two with bug screens in on the other through the pony wall - bearing in mind...

Posted by Robert J. Pierson Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses