A residential load calculation is a service offered for a small fee, approximately $100 -$150 by gas and electric utilities, major heating ... Homeowners should insist that contractors use a Manual J sizing calculation before signing a contract.
|Title||:||Geothermal Heat Pumps: Installation Guide|
|Author||:||Stephen K. Ewings|
|Publisher||:||Stephen K Ewings - 2008-10|