Solar Thermal Radiant Flooring Burke VA

Local resource for solar thermal radiant flooring in Burke, VA. Includes detailed information on local businesses that provide access to solar energy and heating water, as well as advice and content on wood fires, thermal mass and piping in the flooring.

Dominion Geothermal
(571) 933-3123
11530 Valley Rd
Fairfax, VA
Geothermal heating - A/C - hot water

home pro energy inc
(434) 239-8590
177 air park dr
lynchburg, VA
energy audits

DTI Solar
(804) 457-9566
Midpoint Commercial Center
Hadensville, VA
Solar Energy Products and Design

Americo Energy LLC
(434) 420-5000
1622 12th Street
Lynchburg, VA
Solar thermal and electric sales & installation

Blue Ridge Energy Company
(540) 830-1289
1285 Graceland Drive
Broadway, VA
solar electric, heat & hot water

Future Renovations, Inc.
(757) 236-3006
PO box 2431
Newport News, VA
Renewable Engineered Systems
(603) 331-1563
22 East Church Street
Martinsville, VA
Sales Service and Installations

Dominion Geothermal
(571) 933-3123
11530 Valley Rd
Fairfax, VA
Geothermal heating - A/C - hot water

Solar Effects
(434) 384-3113
Wholesale pricing on Solar Panels and energy systems
Lynchburg, VA
(540) 364-6360
8360 West Main St.
Marshall, VA

Solar Thermal Radiant Flooring

Solar thermal radiant floor heating is an old idea that has been made new again. Many years ago, both the Greeks and Romans heated the floors of baths with wood fires. The concept makes perfect sense - heat rises, after all. Today, solar energy is used to heat water that runs through piping in the flooring. Floors have a thermal mass, so they act as a sort of battery, storing heat for long periods of time.

The following information is adapted from the Energy Efficiency and Renewable Energy fact sheet put out by the US Department of Energy:

In many areas of the country, the amount of solar heat gain from solar thermal radiant flooring is not enough to heat a house by itself, but it can supplement a conventional furnace or boiler and reduce heating fuel consumption from 10 percent to as much as 90 percent.

Types of Solar Radiant Floor Heating

Solar heat collectors can be used with two types of radiant floor heating systems. Both systems use the sun to heat the fluid (air or a liquid) in the collectors. The thermal mass of the floor (the fact that it is 'solid' and 'deep') acts as both a storage battery and a heat sink. The latter function helps keep the room air from overheating.

Solar Radiant Air Floors

In solar radiant air floor systems the sun warms air from the collectors or a sunspace. Air passages might be made out of any of the following materials: plastic drain pipe, concrete block laid on its side, hollow-core concrete panels or layers of corrugated steel deck. In most cases, radiant air floors are not cost-effective because air does not retain much heat. Radiant air floors are used in some cases because they are relatively easy to install.

Solar Hydronic Radiant Floors

Hydronic radiant floor systems pump heated water from a storage tank through tubing laid in a pattern underneath the floor. An individual thermostat regulates the flow of heated water through a solenoid valve and manifold to each room in the house.

There are a number of ways you can use active solar collector systems with hydronic radiant floors.

  • The simplest is to pump the heat transfer fluid from the solar collectors directly through the tubing in the floor. However, it can be difficult to control temperature of the water in this type of system. Extreme care must be taken to avoid under or overestimating the system's collector area-to-storage mass ratio. If this ratio is overestimated, there will not be enough heat; if you underestimate it, space can overheat. Most solar systems have the solar loop pump regulated by an electronic pump control.
  • Many solar space-heating systems pump the heated liquid to a storage tank. The water in the tank is then pumped through the radiant floor piping. This type of solar radiant floor heating system uses a heat exchanger, similar to a solar thermal glycol-based system. This system provides much greater heat storage capacity and better control over floor temperature.

Back-Up Heating Systems


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