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TRUSTED BY DELPHI, IN HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon48
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Delphi - Updated Nov 2026

Avatar for Blue Fox Heating and Cooling, LLC
Blue Fox Heating and Cooling, LLC
4.9(
28
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+26 more

Serving Delphi, IN and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"A technician came out the same day I made the appointment and was able to resolve our air conditioner problem with ease. He was very knowledgeable about our HVAC system and gave us important information about extending it’s life. We will be using Blue Fox for all heating and cooling needs in the future!"
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+20

Response time11 hrs
Recommended by96%of homeowners
Avatar for Summers Plumbing, Heating & Cooling (H)- Lafayette
Summers Plumbing, Heating & Cooling (H)- Lafayette
5.0(
15
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+15 more

Serving Delphi, IN and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

At Summers Plumbing Heating & Cooling we try to make service easy & fast! With all of our locations there is a good chance we're helping someone in your neighborhood with their plumbing, heating or cooling issues. We take the stress out of calling a repairman! Our friendly, helpful, and honest technicians are here to make your life easier, not harder than it already is. \n \nOur highly skilled, licensed, and trained technicians perform superior work, every time. We are committed to being honest, thorough, and friendly when we arrive at your house for an estimate or repair.

Avatar for Indiana Geothermal
Indiana Geothermal
4.6(
20
)
Geothermal Heating or Cooling System - Service

Serving Delphi, IN and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"Kris is very experienced in HVAC and puts the customers needs first, He helped me design a system that will work for my future plans and his idea cost thousands less. Kris is very friendly and professional. His crews were a pleasure to work with. I will definitely continue to use Artic for my service and any future projects. I highly recommend you get a quote from them for your HVAC needs."
Response time9 hrs
Recommended by100%of homeowners
Avatar for E&M Heating and Cooling
E&M Heating and Cooling
4.5(
6
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+4 more

Serving Delphi, IN and surrounding areas

Approved

In business since 2007

Credit card accepted

Customers say: True professional

"They were here within an hour of contacting them thru Angi.com. Our heat went out the day before the Dec 22-23, 2022 subzero winter storm. Another company came out on Day 1 & had to order a part. We were still waiting on Day 6 (the Monday after Christmas) & that company was closed. E&M fixed the problem quickly AND even went up on the roof to clear the snow out of the flue. We are so thankful to have heat and will be contacting E&M, again, if we have problems with our HVAC! Thank you for making my family warm, again!"
Response time2 days
Response rate100%
7 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

Yes, you can clean AC coils yourself. Just make sure that the power to your AC system is off before you begin. You’ll need some basic tools and supplies, including a soft brush, cloth, screwdriver, and a commercial or homemade cleaning solution. Cleaning your coils will only cost about $10.

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

No, you should not attempt to replace an AC evaporator coil yourself. This is a complex task that must be performed by a licensed HVAC technician. The process involves handling hazardous and flammable refrigerants, which poses significant safety risks. Attempting a DIY replacement can also cause further damage to your HVAC system and will likely void its warranty. It is necessary to hire a local AC repair professional for this job.

No, heat pump maintenance needs are very similar to air conditioners, including keeping outdoor units clean, changing filters regularly, and occasionally scheduling a refrigerant check to see if any has leaked out. Heat pumps typically switch automatically between heating and cooling, so you don’t need to worry about manually changing them every season. However, since they are always on call, they can develop wear and tear faster than an air conditioner.

Air filters with a high MERV rating, 11 or above, shouldn't cause airflow problems in most residential systems. However, the airflow can be restricted in some HVAC systems if they aren't designed for high MERV ratings. If in doubt, a local duct installer should inspect your ductwork so that you know what your system can handle.

The Delphi, IN 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.