Top-rated heating and air conditioning pros.

Get matched with top heating and air conditioning pros in Saint Marys, PA

There are 4 highly-rated local heating and air conditioning pros.

TRUSTED BY SAINT MARYS, PA HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon50
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Saint Marys, PA

*The Angi rating for Heating And Air Conditioning Service companies in Saint Marys, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Saint Marys, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on October 23, 2025

Find Heating and air conditioning pros in Saint Marys

Avatar for Gary & Sons, Inc.

Gary & Sons, Inc.

482 Beachtree Road
4.83(
7
)
•Approved Pro

Gary & Sons, Inc.

482 Beachtree Road
4.83(
7
)
•Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
47 years of experience

Gary and Sons Inc opened for business in 1978 as Gary's Dehydrator and Stoves. Soon their reputation as wood and coal stove specialists led them into the wood and coal central heating business. As their experience continued to increase, Gary and Sons Inc. quickly became a leading heating and cooling installation specialist, encompassing all fuel types. Today the heating and cooling business is still the keystone of Gary and Sons Inc. but Gary and Sons continued dedication to their customers needs has given birth to a wide range of new products and services such as, annual maintenance agreements and 24 hour emergency service, zero clearance gas and wood fireplaces, Keystoker automatic fed Anthracite coal stoves, furnaces and boilers, as well as vented and vent free gas logs. Additionally, Gary's offers a full range of gas unit heaters, an expanded service and maintenance department and Gary and Sons high-powered duct cleaning service.

"Right on time and very professional"

Alma C on June 2024

Gary and Sons Inc opened for business in 1978 as Gary's Dehydrator and Stoves. Soon their reputation as wood and coal stove specialists led them into the wood and coal central heating business. As their experience continued to increase, Gary and Sons Inc. quickly became a leading heating and cooling installation specialist, encompassing all fuel types. Today the heating and cooling business is still the keystone of Gary and Sons Inc. but Gary and Sons continued dedication to their customers needs has given birth to a wide range of new products and services such as, annual maintenance agreements and 24 hour emergency service, zero clearance gas and wood fireplaces, Keystoker automatic fed Anthracite coal stoves, furnaces and boilers, as well as vented and vent free gas logs. Additionally, Gary's offers a full range of gas unit heaters, an expanded service and maintenance department and Gary and Sons high-powered duct cleaning service.

"Right on time and very professional"

Alma C on June 2024

Maglioshvac

No reviews yet

Maglioshvac

No reviews yet

Heating and Air Conditioning maintenance, Repair, and Installation. Minor electrical and plumbing maintenance and repair. Water heater repair and installation.

Heating and Air Conditioning maintenance, Repair, and Installation. Minor electrical and plumbing maintenance and repair. Water heater repair and installation.

Spinlisting LLC

7208 W Sand Lake Rd
No reviews yet

Spinlisting LLC

7208 W Sand Lake Rd
No reviews yet
7 years of experience

We are a Home Service Company if you need Handyman service, Home Improvement, Painting, painter, Drywall, Flooring, plumbing, Electrical, Garage Repair. Roofing, House Cleaning. Tree Removal, Landscaping, AC Repair, Heating Service, we can help you with all Your Home Improvement needs and more Check out our website for all your Home Service Needs

We are a Home Service Company if you need Handyman service, Home Improvement, Painting, painter, Drywall, Flooring, plumbing, Electrical, Garage Repair. Roofing, House Cleaning. Tree Removal, Landscaping, AC Repair, Heating Service, we can help you with all Your Home Improvement needs and more Check out our website for all your Home Service Needs

Avatar for Neli Virtual Appliance Repair

Neli Virtual Appliance Repair

143 Charlotte Ave
4.30(
576
)

Neli Virtual Appliance Repair

143 Charlotte Ave
4.30(
576
)
Customers say: Super punctual
32305 local quotes requested

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"Great! The technician helped us to locate the issue and explained how to fix it ourselves. This was my 3rd time using NeliHome. They are my first go to for diagnosing an appliance issue."

Jennifer Y on October 2025

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"Great! The technician helped us to locate the issue and explained how to fix it ourselves. This was my 3rd time using NeliHome. They are my first go to for diagnosing an appliance issue."

Jennifer Y on October 2025

TD ENERGY EXPERTS, LLC

200 Center St
No reviews yet

TD ENERGY EXPERTS, LLC

200 Center St
No reviews yet
7 years of experience

TD Energy Experts, LLC. is a full service Mitsubishi Ductless Heating and Cooling Diamond Contractor. With TD all of our customers receive a 12 yr Compressor/Parts and 12 yr labor warranty. That's one reason our customers choose to do business with us "Why settle for a field goal when you get a TD with TD Energy Experts"!

TD Energy Experts, LLC. is a full service Mitsubishi Ductless Heating and Cooling Diamond Contractor. With TD all of our customers receive a 12 yr Compressor/Parts and 12 yr labor warranty. That's one reason our customers choose to do business with us "Why settle for a field goal when you get a TD with TD Energy Experts"!

Gater Mechanical LLC

Unknown
No reviews yet

Gater Mechanical LLC

Unknown
No reviews yet
Free onsite estimate

Gater Mechanical LLC is a reliable and professional HVAC Contractor in Newville, PA. If you need HVAC Repair or any other HVAC Service, this is your company ! Visit our website or call us now at (717) 696-6087 ! Bloserville, PA; Entlerville, PA;Plainfield, PA; Carlisle, PA; Newville,PA

Gater Mechanical LLC is a reliable and professional HVAC Contractor in Newville, PA. If you need HVAC Repair or any other HVAC Service, this is your company ! Visit our website or call us now at (717) 696-6087 ! Bloserville, PA; Entlerville, PA;Plainfield, PA; Carlisle, PA; Newville,PA

American Home Guard Home Warranty - PA

1515 Market St
5.00(
1
)

American Home Guard Home Warranty - PA

1515 Market St
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

American Home Guard is America’s top rated home warranty provider. They service home buyers and sellers across the nation.They offer home warranty service plans for single family homes, multiple units, condos, and even mobile and manufactured homes. They are proud to offer their referral and realtor programs as well as enticing rates to multiple property owners.

American Home Guard is America’s top rated home warranty provider. They service home buyers and sellers across the nation.They offer home warranty service plans for single family homes, multiple units, condos, and even mobile and manufactured homes. They are proud to offer their referral and realtor programs as well as enticing rates to multiple property owners.

M C Plum Inc Plumbing Heating & AC

891 Lincoln Way W
3.50(
8
)

M C Plum Inc Plumbing Heating & AC

891 Lincoln Way W
3.50(
8
)
Customers say: Super punctual

ADDTL ADDRESS: PO BOX 39, CHAMBERSBURG, PA 17201.

"THE WORST COMPANY I have ever delt with. The repair lasted for 17 days and then they refused to come out and fix the problem on a system they had installed that would have still been under warranty if I was the original owner. I told them I wasn't going to pay so the charged an old credit card on file. STAY AWAY FROM THIS COMPANY !!!"

Chris D on April 2025

ADDTL ADDRESS: PO BOX 39, CHAMBERSBURG, PA 17201.

"THE WORST COMPANY I have ever delt with. The repair lasted for 17 days and then they refused to come out and fix the problem on a system they had installed that would have still been under warranty if I was the original owner. I told them I wasn't going to pay so the charged an old credit card on file. STAY AWAY FROM THIS COMPANY !!!"

Chris D on April 2025

...
Showing 1-10 of 91
Heating and Air Conditioning questions, answered by experts

The cost of annual maintenance depends on the type of HVAC system you have. AC service typically costs an average of $200 but ranges from $100 to $550. If your system needs repairs, the price will vary significantly depending on what needs fixing. However, addressing the issues as they arise can prevent further damage to your unit and keep it operating efficiently for much longer.

If you’re looking for an energy-efficient heating and cooling system to heat a compact to average-sized home, then a ductless system is absolutely worth considering. The installation is less hassle when compared to a ducted heat pump system, and because your electricity bills should drop, it’s an excellent long-term investment.

For most systems, an annual HVAC system service is more than enough. Some homeowners prefer a twice-a-year visit to ensure the system is ready for the upcoming summer and winter seasons. If you need to call an HVAC pro more often than this, it may be time to check if your system is getting old enough for a replacement.

Is mold in an air conditioner dangerous? Running an air conditioner with mold isn’t safe because it can spread harmful mold spores throughout your home. These spores may cause respiratory problems, allergies, or aggravate asthma in household members and guests. If you suspect there is mold hiding in your air conditioner, it’s best to stop using the HVAC system until the mold is cleaned to avoid health risks and further contamination.

If you’re planning an AC replacement, choosing an AC with a higher SEER rating may save you money in the long run. Tax credits could cover as much as 30% of the job, and you’ll notice smaller utility bills (particularly if you live in a hot climate where you need to constantly run the AC). Generally, you can expect to pay between $350 and $1,500 for each SEER rating increase. Weigh the cost against your typical utility bill to figure out what’s worth it to you.

The Saint Marys, PA homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles