Air Heat Pumps Beside House

Heating & Air Conditioning Services

No matter the brand, Dottery’s Heating and Air Conditioning services can help you with a variety of HVAC services. Likewise, we handle heating and cooling repairs in the Lehigh Valley. We proudly serve the following counties: Lehigh, Northampton, Southern Schuylkill, Berks, and Carbon.

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Our team provides quality HVAC service, troubleshooting, repairs, replacements, and the installation of:

Boilers

Furnaces

Heat Pumps

Humidifiers

Hot Air Furnaces

Programmable Thermostats

Hot Water Heaters

Filtering Systems

Where We Service

Proudly Serving Homes & Businesses Throughout Eastern Pennsylvania

At Dottery’s Heating & Air Conditioning, Inc., we’re proud to provide reliable HVAC services across the Lehigh Valley and Schuylkill County. Whether you need heating repair in Allentown, a new AC system in Pottsville, or routine maintenance in Emmaus, our experienced team is just a call away.

We Proudly Serve Lehigh Valley and Schuylkill County:

Bethlehem Steel through the trees
Close up of Air Conditioning Repair team use fuel gases and oxygen to weld or cut metals, Oxy-fuel welding and oxy-fuel cutting processes, repairman on the floor fixing air conditioning system

Heating & Air Conditioning Installation

We are HVAC professionals with over forty years of experience and we’ve seen it all. Our staff undergoes regular training to keep their skills sharp and to ensure that they’ve been exposed to the many different types and brands of new and old HVAC equipment. Our expert technicians are capable of installing foreign and domestic units and they are qualified to install equipment with any kind of location restriction. Our problem-solving skills allow us to determine how and where to install a new unit. If we’re replacing a unit that we know is in a bad location we’ll let you know and we’ll work to find a more suitable location so that you get the most out of your equipment.

Foreign &
Domestic

New &
Old

Any
placement

Custom
Models

Repair and Replace Your Equipment

Our technicians are the cream of the crop! The standards that we set for our employees are non-negotiable; quality service, customer appreciation, and honest pricing. What that means for you is that our HVAC services are always top-notch and flexible to fit the needs of any job.

A result of our dedication to quality service is having a pool of technicians that are qualified to work on any kind of equipment. Whether your HVAC unit is old, from another country, damaged, or customized to your needs, we can fix it. 

Bag of work tools, gloves on top of air conditioner units outside residential home.

HVAC FAQs

Routine maintenance helps prevent unexpected breakdowns, improves energy efficiency, and extends the life of your heating and cooling system. During a maintenance visit, a technician can clean key components, check for wear or damage, and identify small issues before they turn into costly repairs. For homeowners, this peace of mind is especially valuable during extreme weather seasons when comfort systems are under heavy use.

Most HVAC systems last 10–15 years depending on the brand, maintenance history, and usage. If your system is getting older, requires frequent repairs, or struggles to keep your home comfortable, it might be time to consider a replacement. Newer systems are often much more energy-efficient, which can save you money in the long run. A qualified HVAC technician can help you determine if a repair or replacement makes more sense.

Start by checking your thermostat settings and replacing the air filter. Make sure the breaker hasn’t tripped and that the system has power. If nothing seems out of place, it’s time to call a professional. Trained HVAC technicians can quickly diagnose and repair the issue, whether it’s a failed component, a clogged line, or something more complex.