Many modern HVAC systems are complex and require the skills of a trained professional. If your on-site maintenance staff is...
We are Volunteers
Our mission does not directly involve community service but it is one of our main goals and concerns. Most companies...
2009 Best of Business Award
Small Business Commerce Association's Award Honors the Achievement SAN FRANCISCO, November 7, 2009, A&J Mechanical Servies LLC has been selected...
Know Your Heat Pump
What to expect from your heat pump when the temperature drops Heat pumps work by extracting heat from the outside...
Indoor Air Quality
According to studies by the U.S. Environmental Protection Agency (EPA), indoor levels of airborne pollutants may be 2-100 times higher...
Glossary of Industry Terms
[su_list icon="http://www.ajmechanicalservices.com/wp-content/uploads/directionarrows.50px.png" class="ajindustryterms"] AFUE - Annual Fuel Utilization Efficiency. The AFUE percentage tells you how much energy is being converted...