Whole House Fan Tamarack Technologies HV1000 (R-22 Insulated Doors)

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Whole House Fan Tamarack Technologies HV1000 HV-1000 Availability:Usually ships the next business day. Sale Price: $503.00 Quantity:

HV1000 -Wall Switch Operation / Single Speed / R-22 Insulation Free Shipping Special -  Continental U.S. Only - Excludes AK and HI Benefits: R-22 Insulation - air tight seal between attic and living area when not in use 3 sones loudness - quiet operation. Easy installation - designed to fit between 14" & 24" on center studs Single Speed Operation / 1000 cfm Hard wired switch Fits on-center either 24" or 16" attic joists - no cutting required. Perfect for homes up to 2500 sq. ft /peak summer temps 85 degrees Also works well in homes 2000 sq. ft where summer temps peaks at 95 degrees Save from 15-55% off summer utility bills 120 VAC Rough opening 14.5" x 22.5" (Inside attic min. 11" clearance required) 1000 CFM @ 0.1" SP Made in the USA UL Listed 3 Year Warranty The HV-1000 has been installed in tens of thousands of homes across America.  Giving smart homeowners a fast return on their investment with money saved from lower utility bills.  The HV requires no maintenance, is quiet and fits into standard 16" or 24" on-center joists.  The twin high speed fan motors powering the HV were designed to dissipate heat and move air in the toughest of applications. The HV series of whole house fans are insulated when not in use, its automatic insulated doors form an air tight seal between your attic and living space. There is no other unit available that boasts these levels of insulation and protection.  As an additional quality control method, every single unit is tested and run at the factory for 24 hours prior to shipping, a commitment to excellence.  HV1000 Specification Sheet: HV1000 Whole House Fan (pdf format) HV1000 Installation Manual: HV1000 Whole House Fan Install (pdf format) Important Facts To Consider When Sizing A Whole House Fan: If you have done any research on whole house fans you will see a lot of sites that recommend multiplying your homes total square footage by three and that will tell you what size whole house fan you would need in air flow (CFM). Yes, that formula will work, but it is very inefficient and many times impractical. In the case of whole house ventilation for cooling purposes, bigger is not necessarily better. In order for the whole house fan to operate efficiently and effectively, consider the below variables: 1. Fan size 3. Intake air source 4. Attic exhaust vent requirements 5. Climate differentials and peak summertime temperatures Fan Size: The bigger the fan the faster it will cool your home?  Not necessarily. After the first few air exchanges, the value of having a large air flow is diminished.  Yes, the air flowing into your home will be cooler, but your house will not. A home that has been in a hot environment throughout the day actually stores and retains heat. The effects of the heat permeates throughout the entire home, especially in the attic. Cooling the home is best accomplished by having a constant and continuous flow of cooler air over a longer period of time, to effectively dissipate the stored heat.A lower flow of cool air is very effective at removing the stored heat in your home. Intake Air Source & Exhaust Requirements: In order for cooler outside air to enter the home you must open a minimum amount of windows or doors to allow the cooler air to flow into your home. On the same note and this is very important, you must have an adequate amount of exhaust vents to allow the air pulled into your home to exhaust the warm air outside. A good rule of thumb to use is for every 1000 cfm of airflow, you need 1.3 square feet of unobstructed roof venting or 1.33 sq. ft. of net free venting. Net Free Area Defined: For every 750 cfm of airflow, it is recommended that there be a minimum of 1.33 sq. ft. of attic venting, i.e. roof vents, gable vents, sofit vents, ridge vent. This will allow the air flow of the fan's exhaust air into the attic the ability to flow out of the home freely.   To calculate your net free area: - Count and add up your total number of vents in feet. If your vent(s) are screened take approx. 1/2 away from your total. For example: You have four 1 sq. ft vents, and they are screened. You would have a 4 sq ft gross of venting, however since the screens will block air flow, you would need to subtract approximately 2 sq. ft of venting from your gross, giving you a 2 sq. ft net free area. Warranty: The unit comes standard with a 3 year limited warranty. Climate Differentials & Peak Summertime Temperatures: A whole house fan works best when evening and outside temperatures are cooler than interior temperatures.  Remember, a whole house fan brings in the outside air.  You would never run a whole house fan during the day when outside temperatures are at their highest.  A whole house fan is not air conditioning, the air it brings into your home, is only as cool as the outside air temperature.  Depending on what your average peak summertime temperatures are at, will determine what size whole house fan to purchase.  We have included a sizing chart below: What A Whole House Fan Is Not:  You may be concerned about indoor air quality, and that is a growing concern among modern day tightly built homes.  However, a whole house fan, is designed for one purpose - to remove heat from the home.  A whole house fan, should never be used for ventilating a tight home.  Continuous Whole House Ventilation should be accomplished with a Heat Recovery Ventilator/Energy Recovery Ventilator HRV/ERV, these devices exchange the air in a home at about .35 air exchanges per hour. They are designed to allow a balanced flow of air through the home, by allowing make up air into the home. A properly sized and balanced whole house fan, is an effective way to cool your home and very efficient at reducing A/C costs which is associated with higher utility bills during the spring, fall and especially summer months. The whole house fans we have are the best in the industry, featuring easy installation, quiet operation, and insulated air tight sealed doors when the unit is not in operation. (Photos Copyright 2006 REWCI.com) Note: Fan Housing is now Black as shown in main photo above. Note: Fan Housing is now Black as shown in main photo above.