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One Season Heating and Air ConditioningHVAC contractor in Lake Forest, CA

One Season Heating and Air Conditioning is an HVAC contractor at 26772 Vista Terrace, Lake Forest, CA 92630, ranked #10 of 833 HVAC contractors in Lake Forest and rated 5.0 from 189 Google reviews. Open 24 hours a day, 7 days a week.

Lake Forest, CAUpdated 0 paid placements in any rankingHow we rank

Call (949) 590-3296Website ↗

Key facts

Key facts about One Season Heating and Air Conditioning
Address26772 Vista Terrace, Lake Forest, CA 92630Get directions
Phone(949) 590-3296
Websiteoneseasonair.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 189 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Insulationadditional Google category

Service area

Serves Lake Forest and 11 towns within 25 miles: Foothill Ranch, Portola Hills, Rancho Santa Margarita, Mission Viejo, Laguna Hills, Laguna Woods, Coto De Caza, Ladera Ranch, Aliso Viejo, Irvine and North Tustin.

Based in Lake Forest, CAView on map

Opening hours

Opening hours for One Season Heating and Air Conditioning
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

One Season Heating and Air Conditioning compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
One Season Heating and Air Conditioning (this business)—635.0 (189)—YesYes
Triton Air#8644.9 (3,766)—YesYes14.9 mi
White Mechanical, Inc.#9644.9 (478)—YesYes1.1 mi
Dial One Sonshine Heating, Air & Plumbing#11634.9 (2,852)—YesYes15.5 mi

See all 833 ranked HVAC contractors in Lake Forest

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 189 Google reviews

Hired One Season Heating and Air Conditioning? Write a review

Questions about One Season Heating and Air Conditioning

How is One Season Heating and Air Conditioning ranked in Lake Forest?

One Season Heating and Air Conditioning is ranked #10 of 833 HVAC contractors in Lake Forest by CR Score, with 63 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are One Season Heating and Air Conditioning’s hours?

One Season Heating and Air Conditioning is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does One Season Heating and Air Conditioning serve?

Serves Lake Forest and 11 towns within 25 miles: Foothill Ranch, Portola Hills, Rancho Santa Margarita, Mission Viejo, Laguna Hills, Laguna Woods, Coto De Caza, Ladera Ranch, Aliso Viejo, Irvine and North Tustin. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about One Season Heating and Air Conditioning?

One Season Heating and Air Conditioning has a rating of 5.0 from 189 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact One Season Heating and Air Conditioning?

Call One Season Heating and Air Conditioning on (949) 590-3296. The business is at 26772 Vista Terrace, Lake Forest, CA 92630. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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