
Heat Pump FAQs: Get the Facts Before You Upgrade Your HVAC
Heat Pump FAQs answered by Air-Tro, your trusted HVAC experts in Monrovia. Learn how heat pumps work, if they fit your home, and what to expect — residential answers you can count on.

Heat Pump FAQs answered by Air-Tro, your trusted HVAC experts in Monrovia. Learn how heat pumps work, if they fit your home, and what to expect — residential answers you can count on.

VRF HVAC systems offer precise zone control, energy savings, and quiet performance—ideal for commercial buildings in Monrovia and beyond. Learn what makes them a smart investment.

Air Conditioner not working? Here are some common descriptions of improper operation of air conditioning systems. Regardless of the problems you're seeing, Air-Tro is here to give you solutions. Call us at (626) 357-3535 when your cooling isn't keeping you in the comfort zone.

UV Photocatalytic Air Purifier systems offer powerful, whole-home protection against mold, germs, and VOCs. Learn how Air-Tro installs these advanced solutions.

Building energy management systems offer SoCal commercial buildings a smarter way to reduce costs and improve HVAC performance. Learn how this technology works.

Ductless mini-split systems are the best way to heat and cool a converted garage. Learn how Air-Tro helps Monrovia homeowners install energy-efficient HVAC for ADUs, offices, and gyms.

Combat rising temperatures in the workplace with smart commercial HVAC solutions from Air-Tro. Keep your business cool and energy-efficient across Monrovia and nearby areas.

Voted San Gabriel Valley’s Favorite Heating and Cooling Company for 2025, Air-Tro continues its winning streak with over a decade of recognition from the region’s most trusted publications.

Check out the latest Homeowner News which includes "Getting Ahead of Energy Costs" and "Invasion of the Ant People." You'll also find coupons you won't find anywhere else!

Quilt Heat Pumps are now available at Air-Tro! Explore this new USA-designed HVAC system from Quilt Technologies — smart, efficient, and designed for California homes.