Geothermal Heating & Cooling
Weis offers three primary WaterFurnance geothermal heating and cooling systems designed to heat and cool your home by utilizing energy from the earth resulting in the highest standard of efficiency and the greatest energy savings available. Almost all of the products offered by Weis meet or exceed the Energy Star® requirements needed to take advantage of the latest tax credits.
All-In-One Systems
3 Series (300A11)
30 years of research, engineering advancements, and manufacturing experience all at a great price point.
5 Series (500A11)
An upgrade to our Envision line that upholds the exceptional comfort and reliability expected from the WaterFurnace name.
7 Series (700A11)
The best of the best. Variable capacity system delivers comfort and savings you have to experience to believe.
Split Geothermal Systems
5 Series (504W11)
Hydronic. Add-on to other unit for high volume hot water users. Perfect for radiant floor, spa, pools, fan coils.
Envision NSW (NSW)
Hydronic. Add-on to other unit for high volume hot water users. Perfect for radiant floor, spa, pools, fan coils.
5 Series (502W12)
Hydronic. Add-on to other unit for high volume hot water users. Perfect for radiant floor, spa, pools, fan coils.
Synergy3D (SDV)
3-in-1 System. Forced air heating and cooling. Capable of radiant floor heat.
Hydronic Geothermal Systems
Synergy3D (SDV)
3-in-1 System. Forced air heating and cooling. Capable of radiant floor heat.
