5 Best HVAC Services in Hong Kong (2026)

Independently ranked by our review of ratings, reviews and reputation · How we chose

By Brad Smith, Home Services Expert · ✓ Data verified August 2026 · 8 min read

Hong Kong's dense, humid apartments put real strain on air conditioning systems, and the HVAC services below have built their reputations on how well they handle cleaning, repair, and installation in that environment. One name here has logged 870 reviews at a 4.9 average, more than six times the next closest competitor, and every top name on this page shares that same 4.9 rating.

Short answer: ALLNEW ENGINEERING leads on scale with a 4.9 rating across 870 reviews, covering AC cleaning, repair, and installation across Hong Kong. AC Home (4.9, 141 reviews) and 興盛冷氣電業工程公司 (4.9, 97 reviews) both stand out for fast, professional repair turnaround. Pricing for new units and installation runs from roughly HKD 9,500 for a small split unit, based on one company's published rate card.

Jump to a business

1. 全新冷氣工程有限公司 ALLNEW ENGI…
2. AC Home 專業家居服務-大角咀店
3. 興盛冷氣電業工程公司
4. 躍酷冷氣 Aircool Air Condi…
5. Hopwell AC&R Parts Ltd…
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Hong Kong's HVAC services compared

#	Business	Rating	Reviews	Best for
1	全新冷氣工程有限公司 ALLNEW ENGINEERING LIMITED	4.9 ★	870	AC cleaning and general repair	View ›
2	AC Home 專業家居服務-大角咀店	4.9 ★	141	Careful, honest cleaning service	View ›
3	興盛冷氣電業工程公司	4.9 ★	97	Fast repair turnaround	View ›
4	躍酷冷氣 Aircool Air Conditioner	4.2 ★	153	Non-Cantonese speakers needing quick booking	View ›
5	Hopwell AC&R Parts Ltd.	4.2 ★	52	AC and refrigeration parts	View ›

5 Best HVAC Services in Hong Kong (2026)

Our top picks, reviewed

#1 Overall🕑 Open 7 days

全新冷氣工程有限公司 ALLNEW ENGINEERING LIMITED

4.9870 Google reviews

全新冷氣工程 (ALLNEW ENGINEERING) is a Hong Kong air conditioning contractor based in San Po Kong, offering AC cleaning, repair, and installation for both residential and commercial properties, covering split units, cassette units, water-cooled cabinets, and central systems.

What people praise

Largest review base on this page at 870, with a 4.9 average
Deep cleaning specifically praised for eliminating musty odors
Fast scheduling and responsive customer service
Technicians give practical advice on maintaining the unit afterward

Worth knowing

A modest share of reviews (24 one-star) suggest not every job goes smoothly

Reputation scorecardrank in Hong Kong

Rating4.9 / 5

Review volume870 · 97th

Confidencevery high

Recency2 months ago

Info completenesssite · phone · hours

Rating breakdown94% 5-star

✓ VerifiedSource: Google

Our take: The deepest and most consistent track record on this page, and a safe first call for both routine cleaning and repair work.

Website +85257003730 Directions

Prince Edward Rd E, San Po Kong

#2🕑 Open 5 days/wk↩ Responds to reviews

AC Home 專業家居服務-大角咀店

4.9141 Google reviews

AC Home, based in Tai Kok Tsui, specializes in air conditioning cleaning using high-temperature steam without chemical cleaners, positioning itself as a gentler option for households with elderly residents, children, or pets. The company also offers post-renovation cleaning and formaldehyde removal.

What people praise

4.9 rating across 141 reviews
Didn't charge for a follow-up visit when a noise issue turned out to be unrelated to their work
Chemical-free steam cleaning method described as thorough and safe
Technicians praised for tidiness and restoring items to their original position

Worth knowing

Smaller review base than ALLNEW ENGINEERING, though still substantial

Reputation scorecardrank in Hong Kong

Rating4.9 / 5

Review volume141 · 85th

Confidencemoderate

Recency6 weeks ago

Info completenesssite · phone · hours

Rating breakdown96% 5-star

✓ VerifiedSource: Google

Our take: A strong pick specifically for households wanting a gentler, chemical-free cleaning approach, and one that clearly stands behind its work even when the fault isn't theirs.

Website +85297334458 Directions

16號 Beech St, Tai Kok Tsui

#3🕑 Open 7 days↩ Responds to reviews

興盛冷氣電業工程公司

4.997 Google reviews

興盛冷氣電業工程公司, based in Cheung Sha Wan, is a Daikin-authorized dealer with over 25 years in business, specializing in air conditioning repair and installation with computer-based diagnostics for hard-to-diagnose faults.

What people praise

4.9 rating across 97 reviews
Same-day repair turnaround described by multiple reviewers, even on public holidays
Successfully diagnosed a fault other technicians couldn't identify
Long operating history and manufacturer authorization

Worth knowing

One reviewer described an unresolved repair, though the company disputed the account

Reputation scorecardrank in Hong Kong

Rating4.9 / 5

Review volume97 · 79th

Confidencemoderate

Recency6 weeks ago

Info completenesssite · phone · hours

Rating breakdown97% 5-star

✓ VerifiedSource: Google

Our take: A strong choice when speed matters, given how consistently reviewers describe same-day fixes even during busy periods.

Website +85235253302 Directions

2/F WEST WING, 822 Lai Chi Kok Rd, Cheung Sha Wan

#4🕑 Open 7 days↩ Responds to reviews

躍酷冷氣 Aircool Air Conditioner

4.2153 Google reviews

躍酷冷氣 (Aircool Air Conditioner), based in Causeway Bay, offers air conditioning cleaning, repair, and installation, and has served customers who specifically note the ease of booking and communicating in English.

What people praise

Praised by an English-speaking reviewer for responsive booking and communication
Technician described as professional and left the apartment clean after service

Worth knowing

Rating trails the other names on this page at 4.2
Multiple detailed negative reviews describe slow response times, unclear pricing, and rescheduling issues
One review describes a dispute over cleaning results and additional charges

Reputation scorecardrank in Hong Kong

Rating4.2 / 5

Review volume153 · 91th

Confidencemoderate

Recency2 months ago

Info completenesssite · phone · hours

Rating breakdown75% 5-star

✓ VerifiedSource: Google

Our take: The mixed and sometimes serious complaints here mean it's worth getting pricing confirmed clearly in writing before booking, despite some positive individual experiences.

Website +85281924583 Directions

26 Floor, 441, A3 Lockhart Rd, Causeway Bay

Hopwell AC&R Parts Ltd.

4.252 Google reviews

Hopwell AC&R Parts Ltd, based in Mong Kok, is a parts supplier for air conditioning and refrigeration equipment rather than a full-service repair company, useful for those doing their own repairs or working with an independent technician.

What people praise

Wide variety of parts in stock
Reasonable prices noted by multiple long-time customers
Staff described as professional and knowledgeable about products

Worth knowing

Items sold without warranty, according to one reviewer
Not a full-service repair or installation company

Reputation scorecardrank in Hong Kong

Rating4.2 / 5

Review volume52 · 74th

Confidenceearly

Recency3 years ago

Info completenesssite · phone

Rating breakdown52% 5-star

✓ VerifiedSource: Google

Our take: Worth a visit if you need a specific part rather than a full-service repair, though there's no warranty on parts purchased here.

Website +85223742368 Directions

Mong Kok, Reclamation St, 307號號地下

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How we rank these HVAC services

Rating is the live Google average. Review volume measures how many real customers rated the business, weighted against others in Hong Kong. Confidence blends rating and volume so a smaller sample doesn’t outrank a deeper track record. Recency checks how current the review activity is. No business can pay to change these numbers.

How much does HVAC service cost in Hong Kong? (2026)

Pricing depends on whether the job is cleaning, repair, or a full new unit installation, and on the brand and capacity of the unit.

Job	Typical price
3/4 HP split unit (with installation)	HKD 9,500
1 HP split unit (with installation)	HKD 9,900 - 10,900
2 HP split unit (with installation)	HKD 14,600 - 16,500

Rate card published on 興盛冷氣電業工程公司’s own website, verified August 2026.

Serving all of Hong Kong

These HVAC services cover Hong Kong Island and Kowloon, from San Po Kong and Tai Kok Tsui to Cheung Sha Wan and Causeway Bay, with most offering island-wide callouts. If you’re searching for HVAC services near me in Hong Kong, all of them listed here serve the broader metro area.

What to ask before you hire an HVAC service

Is the quote fixed, or can extra fees appear once the technician arrives?
Do you use chemical cleaners, or a chemical-free steam method?
What warranty comes with a repair or new installation?
How quickly can you respond to an urgent repair?
Which brands are you authorized to service?
Will the technician clean up and restore the space afterward?

Frequently asked questions

Are these rankings paid?

No. Rankings come from public Google data. A business can pay to be a Featured Partner (badge + top placement), but that never changes another business’s score or position.

How did you choose these HVAC services?

We pulled real Google ratings, review counts, and review text for HVAC and air conditioning companies serving Hong Kong, then ranked them on rating, review volume, and recency of activity.

How often is this updated?

This page reflects Google data verified in August 2026 and is refreshed periodically as ratings and review counts change.

How often should AC units be cleaned in Hong Kong?

Given Hong Kong’s humidity and dense living conditions, several companies on this page recommend regular cleaning to prevent dust and bacteria buildup that can reduce cooling efficiency and cause odors.

Can I find English-speaking HVAC technicians in Hong Kong?

Yes, some companies on this page, including Aircool Air Conditioner, have served English-speaking customers, though communication quality varies, so confirm this directly when booking.

The bottom line

ALLNEW ENGINEERING is the safe default given its scale and consistent reviews across cleaning, repair, and installation. If you want a gentler, chemical-free cleaning approach, AC Home is worth a look, and 興盛冷氣電業工程公司 stands out for fast repair turnaround. Get pricing confirmed in writing before any work begins.

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