Our quick choice
Cousin's Air, Inc.
- State license
Strengths
- Most reviews of the four (2,143)
- License checked Oct 2026
Trade-offs
- Lowest rating of the four (4.8), still above our bar
- No free estimate listed
Job comparison · Deerfield Beach · 4 compared
Furnace Installation & Replacement in Deerfield Beach: Compare 4 Companies
Short answer
For furnace installation & replacement in Deerfield Beach, start with Cousin's Air, Inc.: the strongest all-round record of the 7 we checked. Compare it with M&S Air Conditioning, Lion Air Conditioning & Heating Repair and Peachy Keen Air Conditioning, Plumbing, Heating below, then ask only the ones you like for a quote.
Four Deerfield Beach companies for furnace installation & replacement compared
Swipe sideways to compare all 4
| Compare | ||||
|---|---|---|---|---|
| Rating | 4.8 / 5 | 4.8 / 5 | 4.9 / 5 | 4.9 / 5 |
| Reviews | 2,143 | 651 | 176 | 50 |
| Years operating | Not known | Not known | Not known | Not known |
| Services | Not listed yet | Not listed yet | Not listed yet | Not listed yet |
| Price | Not published | Not published | Not published | Not published |
| Free estimate | Not listed | Not listed | Not listed | Not listed |
| Based in | Deerfield BeachBased here | Deerfield BeachBased here | Deerfield BeachBased here | Deerfield BeachBased here |
| Verified | Checked1 of 1 records, Oct 2026 | Not yetCheck pending | Not yetCheck pending | Not yetCheck pending |
| Best for | Best overall | Most reviewed | A strong all-round choice | A strong all-round choice |
Ratings and reviews from public review sites, checked October 29, 2026.Bars compare the four with each other.Spot a mistake?
Our quick choice
No time to read everything? Start here.
If you call just one
Cousin's Air, Inc.
The strongest overall score of the four: rating, review volume, recent activity, years in business and the checks we could confirm, taken together.
- 2,143 reviews, rated 4.8
- 1 records checked
- Choose instead if you want the most-reviewed optionM&S Air Conditioning
- Choose instead if you want another strong optionLion Air Conditioning & Heating Repair
- Choose instead if you want another strong optionPeachy Keen Air Conditioning, Plumbing, Heating
The four, up close
Key facts, strengths and trade-offs for each, so you know what you’re getting.
Most reviewed
M&S Air Conditioning
Record checks pending
Strengths
- Rated 4.8 from 651 reviews
Trade-offs
- Lowest rating of the four (4.8), still above our bar
- No free estimate listed
Strong all-rounder
Lion Air Conditioning & Heating Repair
Record checks pending
Strengths
- Highest rating of the four (4.9)
Trade-offs
- No free estimate listed
- Price level not published yet
Also in the four
Get quotes from the companies you choose
Tick one or several. Only the ones you tick will see your request.
Before you sign: five checks
Ask every company for the same scope in writing, then check these.
- Written quote with materials, permit fees and clean-up
- Active state license and insurance
- The company pulls the permit, not you
- Written warranty: what and how long
- Payments tied to finished stages
How we picked these four
We compare, we don’t sell spots. Every FourBest page follows the same published method.
- 7Deerfield Beach companies for furnace installation & replacement passed our basic checks
- 3,020public reviews behind the four we picked
- 4picked, each with a different strength
- $0paid by any business to be included
Local facts: Broward
Public data behind this comparison.
- 4,608Cooling degree days per year: Annual cooling degree days (base 65°F), a measure of how much air conditioning a climate needs; NOAA station Pompano Beach Airpark (USW00092805), about 4 miles from the city center point.Public recordNOAA NCEI, U.S. Climate Normals 1991–2020 · 1991–2020 normals
- 59Days a year at 90°F or hotter: Average number of days per year with a high of 90°F or more; NOAA station Pompano Beach Airpark (USW00092805), about 4 miles from the city center point.Public recordNOAA NCEI, U.S. Climate Normals 1991–2020 · 1991–2020 normals
- $309,600Median home value: Median value of owner-occupied homes (ACS table B25077).Public recordU.S. Census Bureau, American Community Survey 5-year estimates · 2020–2024
- 82.6%Homes built before 1990: 38,496 of 46,578 housing units were built in 1989 or earlier (ACS table B25034, year structure built).Public recordU.S. Census Bureau, American Community Survey 5-year estimates · 2020–2024
- 36,441Households in Deerfield Beach: Occupied housing units (one household per occupied home), ACS table B25003.Public recordU.S. Census Bureau, American Community Survey 5-year estimates · 2020–2024
- June 1 to November 30Atlantic hurricane season: An average season (1991–2020) has 14 named storms, 7 hurricanes and 3 major hurricanes.Public recordNOAA National Hurricane Center, Tropical Cyclone Climatology · 1991–2020 climate period
Figures from public sources, checked October 29, 2026.
More companies for furnace installation & replacement in Deerfield Beach
The other 3 companies that passed our basic checks.
| Company | Rating | Reviews | Years |
|---|---|---|---|
| Ideal Air Systems Inc.Deerfield Beach | 4.4 | 26 | – |
| JWR Construction ServicesDeerfield Beach | 4.6 | 11 | – |
| Deerfield Beach HVAC Co FloridaDeerfield Beach | 4.0 | 24 | – |
FAQ: companies for furnace installation & replacement in Deerfield Beach
How is the top 4 ranking of furnace installation & replacement companies in Deerfield Beach calculated?
Each business gets a score from its rating, review volume, recent reviews, years in business, profile completeness and record checks. The highest scores make the list. We compared 7 furnace installation & replacement companies for Deerfield Beach. Paid placements never change the order.
Which of these furnace installation & replacement companies in Deerfield Beach has the best reviews?
Lion Air Conditioning & Heating Repair has a 4.9 rating from 176 public reviews, the highest on this page.
Which of these furnace installation & replacement companies has the most reviews?
Cousin's Air, Inc., with 2143 public reviews. A long review history shows how a business handles many jobs.
Are these furnace installation & replacement companies licensed?
1 of the 4 businesses here had their state license checked against public records. Each profile shows the source and the date of the check.
How many quotes should I get for furnace installation & replacement companies in Deerfield Beach?
Get at least three. Use the quote form on this page: only the businesses you tick receive your request.
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