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4.1

(95 reviews)

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Verified Reviews for Heating And Air Conditioning Service pros in Diamondhead, MS

*The Angi rating for Heating And Air Conditioning Service companies in Diamondhead, MS 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 Diamondhead, MS 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 June 24, 2026

Find Heating and air conditioning pros in Diamondhead

Avatar for Air Duct Cleaning Services
Air Duct Cleaning Services
5.0(
21
)

Serving Diamondhead, MS and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"AJ and Aaron were very professional and thorough. They arrived on scheduled time. They observed Covid protection practices by wearing masks. They showed us each duct and vent, if it had evidence of mold. They videoed and shot photos of each vent, after cleaning them. They cleaned up afterwards. Very courteous and nice. We highly recommend them and will use their services again."
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+13

10 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Bruce's A/C & Heating
Bruce's A/C & Heating
4.8(
106
)

Serving Diamondhead, MS and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Bruce was extremely knowledgeable on hvac, punctual, friendly and cost effective. He was was able to diagnose and fix my problem with my mini split in short order. Would highly recommend his business for any future hvac work."
Bonus room too HOT?!
Response time2 hrs
Response rate87%
1 neighbors recently requested a quote
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Avatar for Beacon Heating and Cooling
Beacon Heating and Cooling
5.0(
10
)

Serving Diamondhead, MS and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Joe came out and gave me advice and an estimate on a new HV/AC unit. I was very impressed with him and his patience as he answered all my questions."
Goodman Install
New Unit Install
Mini Split Install
Hvac installation
New Thermostat

+1

23 neighbors recently requested a quote
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Avatar for Blaize Heating & Air Conditioning LLC
Blaize Heating & Air Conditioning LLC
5.0(
15
)

Serving Diamondhead, MS and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Blaize Heating & Air conditioning did a fantastic job servicing my AC unit. He changed my old coils AND left no mess. He explained everything, gave me an amazing price, and very polite."
indoor unit
hvac service
hvac servuce
water heater install
goodman install

+3

Response time6 hrs
Response rate99%
26 neighbors recently requested a quote
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Avatar for AA Air Duct Cleaning & Installation Services
AA Air Duct Cleaning & Installation Services
4.7(
64
)

Serving Diamondhead, MS and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"Stayed in contact with me from beginning to end, set expectations, and met those expectations. I would definitely recommend them for insulation work"
Response time10 hrs
Response rate94%
2 neighbors recently requested a quote
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Avatar for Clean Air Crew
Clean Air Crew
4.8(
32
)

Serving Diamondhead, MS and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Requested service and Clean air crew came out the next day to unclog my dryer vent and fix the problem of clothes taking 3 hours to dry."
Trunk line before and after
Dirty Flex Duct
Moldy Vent Cover
Dirty Plenum
Response time5 hrs
13 neighbors recently requested a quote
Recommended by90%of homeowners
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James Conway
New to Angi

Serving Diamondhead, MS and surrounding areas

Approved

In the construction business for 35 years and I have talents in every field in construction.\nBuilt my first house at the age of 49 and learned everything I know for being hands on type of person. I’m an engineer at a hotel so I take care of the maintenance and equipment for the building and guest rooms.\nI’m a person that will not tell that I can fix something if I can’t I’m honest and always truthful to my word.

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Heating and Air Conditioning questions, answered by experts

The average cost to replace or install a new HVAC system is around $7,500. However, the price can range from $5,000 to $12,500, depending on factors like the size of your home, the type and brand of the unit, and your specific heating and cooling needs. If you only need to replace certain components, the cost will be lower; for example, a new AC unit can cost between $2,200 and $5,500, while a new furnace costs $3,200 to $6,000. If additional work like new ductwork is required, the total cost could be as high as $22,000. It's best to contact a local HVAC company for an accurate quote.

During the summer, it’s best to set your AC to 78 degrees when you’re home and awake, according to the Department of Energy (DOE). For better energy efficiency, raise the temperature slightly to 85 degrees while you’re out of the house. The National Sleep Foundation advises lowering your thermostat to between 60 and 67 degrees when you’re asleep.

Aside from needing HVAC repair, there are times when you may need to replace your unit. HVAC replacement costs $5,000 to $12,500. Here are some telltale signs that your HVAC unit is going bad:

  • Your unit is 10 years or older.

  • Your home is very humid.

  • The unit keeps cycling without producing cool air.

  • You need to repair the unit frequently.

While spending money once or twice a year to tuneup your AC and furnace might seem like a waste of money, think again. The cost of HVAC maintenance is far less than the cost of replacing your furnace or AC unit, regardless of the type of HVAC system you have. Paying this smaller fee now will help you avoid paying much more significant costs in the future. Not to mention, having a serviced AC and heating system will help keep your home comfortable, no matter the season. 

You can buy a new AC capacitor through most big-box home improvement stores, from an HVAC contractor, or from the manufacturer. Use the model number of your air conditioning unit to make sure you purchase the right part for your unit. Also, keep in mind that the cost of this type of part can vary significantly depending on who you purchase it from, so shop around to get the best price.

The Diamondhead, MS 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.

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