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A-Plus Service ExpertsHVAC contractor in St. Charles, MD

A-Plus Service Experts is an HVAC contractor at 4384 Hackett Place, White Plains, MD 20695, ranked #1 of 559 HVAC contractors in St. Charles and rated 4.8 from 1,234 Google reviews. Open 24 hours a day, 7 days a week.

St. Charles, MDUpdated 0 paid placements in any rankingHow we rank

Call (301) 579-0938Website ↗

Key facts

Key facts about A-Plus Service Experts
Address4384 Hackett Place, White Plains, MD 20695, St. Charles, MDGet directions
Phone(301) 579-0938
Websiteserviceexperts.com
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 1,234 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves St. Charles and 11 towns within 25 miles: Saint Charles, Waldorf, Bennsville, La Plata, Accokeek, Bryans Road, Fort Washington, Brandywine, Friendly, Clinton and Rosaryville.

Based in St. Charles, MDView on map

Opening hours

Opening hours for A-Plus Service Experts
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

A-Plus Service Experts compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
A-Plus Service Experts (this business)—644.8 (1,234)—YesYes
Mission Comfort#2645.0 (625)—YesYes2.8 mi
Olympic Aire Services Inc#3634.9 (426)—YesYes0.0 mi

See all 559 ranked HVAC contractors in St. Charles

Reviews

ContractorsRanked reviews

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Google

4.8from 1,234 Google reviews

Hired A-Plus Service Experts? Write a review

Questions about A-Plus Service Experts

How is A-Plus Service Experts ranked in St. Charles?

A-Plus Service Experts is ranked #1 of 559 HVAC contractors in St. Charles by CR Score, with 64 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 A-Plus Service Experts’ hours?

A-Plus Service Experts 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 A-Plus Service Experts serve?

Serves St. Charles and 11 towns within 25 miles: Saint Charles, Waldorf, Bennsville, La Plata, Accokeek, Bryans Road, Fort Washington, Brandywine, Friendly, Clinton and Rosaryville. 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 A-Plus Service Experts?

A-Plus Service Experts has a rating of 4.8 from 1,234 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 A-Plus Service Experts?

Call A-Plus Service Experts on (301) 579-0938. The business is at 4384 Hackett Place, White Plains, MD 20695, St. Charles, MD. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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