65/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 37 Google reviews
- Hours
- Mon–Sun 8 AM–4 PM
Best HVAC Contractors in Sunnyside, WA (2026)
13 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Sunnyside: Day 1 Heating And Cooling, CR Score 65/100; 5.0★ from 37 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Limitless Heating & Cooling LLC, posts 24/7 hours; ranked #3 of 13.
- 3
Most-reviewed: Limitless Heating & Cooling LLC, 63 Google reviews at 4.7★, the most of 13 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Sunnyside HVAC contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 6 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 13 rated businesses.
Top 10 HVAC contractors in Sunnyside at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Day 1 Heating And Cooling | 65 | 5.0★ (37) | Sunnyside | Sat · Sun | Overall |
| 2 | BR Refrigeration Heating & Air LLC | 61 | 4.9★ (42) | Sunnyside | — | — |
| 3 | Limitless Heating & Cooling LLC | 61 | 4.7★ (63) | Richland, 25 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Empire Heating And Air, Llc | 61 | 5.0★ (11) | Sunnyside | Sat · Sun | — |
| 5 | ASAP Heating & Cooling | 58 | 5.0★ (6) | Union Gap, 10 mi away | 24/7 | — |
| 6 | CK Home Comfort Systems | 58 | 4.5★ (35) | Grandview, 7 mi away | — | — |
| 7 | Primo Pro LLC | 58 | 5.0★ (6) | Sunnyside | Sat | — |
| 8 | Northwest heating and air conditioning | 56 | 4.0★ (4) | Finley, 14 mi away | 24/7 | — |
| 9 | Aztec Heating & Air Conditioning, Inc. | 55 | 4.6★ (11) | Grandview, 7 mi away | — | — |
| 10 | JR's Heating & Air Services LLC | 54 | 4.3★ (14) | Prosser, 14 mi away | — | — |
The 13 best HVAC contractors in Sunnyside, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Sunnyside
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 42 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Richland, 25 mi away
61/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 63 Google reviews, the most in Sunnyside.
- 4.7★ from 63 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Sunnyside
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 11 Google reviews
- Hours
- Mon–Sun 7 AM–5:30 PM
- Address
- 1206 Swan Rd, Sunnyside, WA 98944
Based in Union Gap, 10 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Grandview, 7 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.5★ from 35 Google reviews, listed on Google as “Heating contractor”.
- 4.5★ from 35 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 213 E Wine Country Rd, Grandview, WA 98930
Based in Sunnyside
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 9 AM–4 PM · Sun closed
Based in Finley, 14 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
- 4.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Grandview, 7 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 11 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1430 Appleway Rd, Grandview, WA 98930
Based in Prosser, 14 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.3★ from 14 Google reviews, listed on Google as “HVAC contractor”.
- 4.3★ from 14 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Sunnyside
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Plumber”.
- 4.6★ from 12 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 3940 Alexander Rd, Sunnyside, WA 98944
#12 Kollmar Inc
Based in Grandview, 8 mi away
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 410 Old Inland Empire Hwy E, Grandview, WA 98930
Based in Union Gap, 13 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Also serving Sunnyside
2 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Distance |
|---|---|
| Manuels Mechanical Services LLC | 25 mi |
| Quality Tek Heating and Cooling llc | 20 mi |
How much do HVAC contractors cost in Sunnyside?
National price ranges in USD, not adjusted for Sunnyside. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
When to hire an HVAC contractor in Washington
Washington's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
How we ranked Sunnyside HVAC contractors
We scored 13 Sunnyside HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 23, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Sunnyside data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
HVAC contractors in Sunnyside: frequently asked questions
Who is the best HVAC contractor in Sunnyside?
By CR Score, the highest-ranked HVAC contractor in Sunnyside, WA is Day 1 Heating And Cooling with a CR Score of 65/100. It has 5.0★ from 37 Google reviews. It is open 7 days a week. BR Refrigeration Heating & Air LLC (#2) and Limitless Heating & Cooling LLC (#3) follow. We ranked 13 HVAC contractors on ten factors, last updated October 23, 2026.
How many HVAC contractors are there in Sunnyside?
ContractorsRanked ranks 13 HVAC contractors serving Sunnyside, WA. 5 of them are based in Sunnyside; the rest serve it from nearby towns. Another 2 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Sunnyside are open 24/7?
3 ranked HVAC contractors in Sunnyside post 24/7 hours. The highest-ranked are Limitless Heating & Cooling LLC (#3), ASAP Heating & Cooling (#5) and Northwest heating and air conditioning (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Sunnyside work on weekends?
6 of 13 ranked HVAC contractors post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Day 1 Heating And Cooling (#1), Limitless Heating & Cooling LLC (#3) and Empire Heating And Air, Llc (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Sunnyside?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Sunnyside. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Sunnyside HVAC contractors have?
The median Google rating among 13 rated HVAC contractors in Sunnyside is 4.9★, with a median of 11 reviews. Limitless Heating & Cooling LLC has the most, 63 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Sunnyside?
Washington's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Sunnyside
- October 2026: CR Scores recalculated for 13 hvac contractors serving Sunnyside.
More HVAC contractors and Sunnyside pages
HVAC contractors near Sunnyside
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Other trades in Sunnyside
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- Plumbers in Sunnyside9 ranked
- Electricians in Sunnyside14 ranked
- General contractors in Sunnyside29 ranked
- Painters in Sunnyside6 ranked
- Landscapers in Sunnyside5 ranked
- Kitchen remodelers in Sunnyside6 ranked
- Bathroom remodelers in Sunnyside7 ranked
- Flooring contractors in Sunnyside6 ranked
- Concrete contractors in Sunnyside12 ranked
- Fence contractors in Sunnyside9 ranked
- Siding contractors in Sunnyside20 ranked
- Window installers in Sunnyside23 ranked
- Gutter installers in Sunnyside6 ranked
- Solar installers in Sunnyside10 ranked
- Foundation repair companies in Sunnyside7 ranked
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- Home builders in Sunnyside61 ranked
- All contractors in Sunnyside