Home Ventilation Systems Helena MT

There are many choices available to you for home ventilation systems, including money saving green options that are based on local climate and the home's heating and cooling system around Helena. Learn more about these options and consider investing on a system that will give you great satisfaction and peace of mind for years to come. Below you will find various local businesses and services that are ready to assist you with your ventilation, home improvement and renovation needs in Helena, MT.

All Seasons Heating & A/C
(406) 442-3658
1830 Boulder Ave
Helena , MT
 
All Valley Heating, Cooling & Refrigeration. Inc.
(406) 363-3526
1111 South 1S
Hamilton, MT

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Armacost Trane Service
(406) 248-4882
P.O. BOX 22742 Billings
Billings, MT
 
Flawless Filter Care
(406) 376-3116
P.O. BOX 192 Gildford
Gildford, MT
 
Armacost Trane Service Co
(406) 727-5111
P.O. BOX 2642 Great Falls
Great Falls, MT
 
American Sheet Metal Inc
(406) 442-6150
1526 Hauser Blvd
Helena , MT
 
Airsource Purification
(406) 656-9472
1814 Iris Ln Billings
Billings, MT
 
Montana Air Filters
(406) 245-2018
4005 1st Ave S Billings
Billings, MT
 
Snowcrest Enterprises
(406) 651-0210
3126 Laredo Pl Billings
Billings, MT
 
Energetechs Construction Sup
(406) 642-3950
P.O. BOX 184 Victor
Victor, MT
 
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Home Ventilation Systems

How Home Ventilation Systems Work

A variety of mechanical ventilation systems are available to select from, based on local climate and the home’s heating and cooling system. In addition to one of the primary ventilation systems described below, “spot” ventilation fans should also be provided for ventilating kitchens and baths to remove the concentrated moisture and odors that can occur in these rooms. Here is a description of the typical ventilation systems and recommended climates:

  • Supply Ventilation Systems – Hot or Mixed Climates: Fresh air is drawn in through an air “intake” vent and distributed to many rooms by a fan and duct system. A fan and set of ducts dedicated solely to ventilation can be used, or an outside air intake can be connected to the main return air duct, allowing the heating and cooling system’s fan and ducts to distribute the fresh air. The benefit of connecting to the return air duct is that outdoor air can be air conditioned or dehumidified before it is introduced into the home. Because supply ventilation systems continually introduce outdoor air, a home can become slightly pressurized. As a result, these ventilation systems are typically not appropriate for cold climates where there is a risk of heated indoor air being pushed through any remaining holes and cracks in the construction assembly where it could reach cold exterior surfaces, condense, and cause moisture problems.
  • Exhaust Ventilation Systems – Cold Climates: Indoor air is continuously exhausted to the outdoors with one or more fans often located in bathrooms. Because indoor air is continually drawn out, the home becomes slightly depressurized. As a result, these exhaust ventilation systems are typically not appropriate for hot, humid climates where there is a risk of drawing hot outdoor air into remaining holes and cracks in the construction assembly where it could reach cool interior surfaces, condense, and cause moisture problems.
  • Balanced Ventilation Systems – All Climates: With these systems, equal quantities of air are introduced into and out of the home. This is usually achieved using two fans—one to bring fresh air in and another to send indoor air out. The two most common systems are “heat recovery” ventilation (commonly referred to as HRV) and “energy reco...

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