Rated 5/5 Stars on Google | Serving HDBs, Condos & Offices Since 2012 | Fixed Pricing – No Surprises!
Our Trusted Partners
Why Proper Aircon Maintenance Matters
Living in Singapore’s humid, tropical climate means your air‑conditioner works hard year‑round. Without proper upkeep, your cooling system can suffer: reduced efficiency, higher electricity bills, unpleasant odors, breakdowns. Trusted sources note that regular servicing leads to fewer repairs and better energy use.
Key benefits:
Keeps your unit running at peak performance
Extends lifespan of your air‑con
Improves indoor air quality (removes mould, bacteria)
Prevents breakdowns at inconvenient times
Reduces electricity bills
❄️ Our Aircon Maintenance & Servicing Process
We follow a detailed, step‑by‑step process to ensure your air‑con is maintained thoroughly and professionally:
Step 1: Inspection & diagnostics
We check filters, coils, drainage, refrigerant levels, noises, odours.
For units showing signs of neglect or heavier usage, we provide:
Chemical Wash — deep cleaning of internal components
Chemical Overhaul — full teardown cleaning + minor repairs
Step 4: Performance check & report
We make sure your unit cools efficiently, runs quietly, and drains properly.
Step 5: After‑care & next service plan
We advise when you should next service (12‑18 months typical), and how to maintain in between with filter cleaning etc.
What’s Included in Our Service Packages
We structure our offerings into clear tiers to match your needs:
Standard Maintenance — Ideal for well‑maintained units: filter & drain check, basic cleaning
Chemical Wash — For units with reduced cooling, musty smells or visible buildup
Chemical Overhaul — For older systems, heavy use or units not performing well: full internal cleaning + inspection & minor tuning
🧼 What is Chemical Wash?
A chemical wash is a professional deep-cleaning process for air-conditioning units that goes beyond standard filter cleaning. It involves the use of specially formulated, eco-friendly chemicals to thoroughly remove dirt, grease, mold, and bacteria from the aircon’s internal components, including:
Evaporator coils – where most dirt and mold accumulate
Fans and blowers – which circulate air throughout your space
Drainage system – to prevent blockages and odors
Unlike basic cleaning, a chemical wash ensures that the unit is sanitized, restoring its cooling efficiency and improving indoor air quality. This process helps reduce energy consumption, prevents breakdowns, and extends the lifespan of your aircon, making it an essential part of regular aircon maintenance in Singapore’s humid climate.
✨ Why Chemical Wash Matters
Over time, dust, mold, bacteria, and mineral deposits accumulate in indoor and outdoor aircon units. This buildup can:
Reduce cooling performance and airflow
Increase electricity consumption
Cause foul odors or moldy smell
Affect indoor air quality and health
A professional chemical wash removes stubborn contaminants and restores your aircon to optimal performance.
👀 Signs Your Aircon Needs a Chemical Wash
Reduced cooling efficiency
Unpleasant or moldy odor
Black dust on vents or filters
Water leakage or blockage in drain pan
Unusual noises during operation
If your aircon shows one or more of these signs, it’s time to book a professional chemical wash.
🧼 What is a Chemical Overhaul?
A chemical overhaul is a comprehensive deep-cleaning and maintenance service for your air-conditioning system that goes beyond a standard chemical wash. It is designed to restore your aircon to optimal performance by addressing internal dirt, grime, and minor wear and tear that affect efficiency and air quality.
Key Features of a Chemical Overhaul:
Complete internal cleaning: All critical components such as evaporator coils, condenser coils, fans, and drainage systems are thoroughly cleaned using professional-grade chemicals.
Sanitization: Eliminates mold, bacteria, and allergens that accumulate over time.
Minor repairs and maintenance: Includes tightening loose components, checking refrigerant levels, and inspecting electrical connections.
System efficiency restoration: Improves cooling performance and reduces energy consumption.
❓Chemical Wash vs Chemical Overhaul: What’s the Difference?
While both services aim to clean and maintain your aircon, a chemical wash and a chemical overhaul serve different purposes. Understanding the difference helps you choose the right service for your unit.
Feature
Chemical Wash
Chemical Overhaul
Purpose
Routine deep cleaning to remove dirt, dust, and mold from internal components
Comprehensive cleaning plus minor maintenance and system optimization
Scope
Evaporator coils, condenser coils, fans, and drainage system
All components cleaned, checked, and serviced; minor repairs included
Frequency
Recommended every 12–18 months for homes; every 6–12 months for offices
Recommended for older units, heavily used systems, or units with reduced efficiency
Benefits
Improves air quality, cooling efficiency, and prevents mold growth
Extends aircon lifespan, restores efficiency, prevents breakdowns, ensures healthier air
Time Required
60–90 mins for standard units
2–4 hours depending on unit size and condition
Cost
SGD 80–150 (split units)
SGD 150–300+ (depends on unit type and service scope)
✨ Why Choose a Chemical Overhaul?
A chemical overhaul is ideal for older aircon units, heavily used systems, or units showing reduced efficiency. By performing this in-depth service, you can extend the lifespan of your aircon, prevent costly breakdowns, and ensure cleaner, healthier air in your home or office.
📓 How Often Should You Chemical Wash? Frequency Guide for Singapore Properties
Residential:
HDB / Condo: Every 12–18 months
Landed homes / Multi-unit homes: Every 12 months
High-use or dusty environments: May require more frequent cleaning
Commercial & Industrial Offices:
Small offices: Every 6–12 months depending on usage and occupancy
Medium to large offices / factories / industrial units: Every 3–6 months due to higher airflow, dust, and continuous operation
High-traffic or production areas: May require quarterly cleaning to maintain performance and indoor air quality
Regular maintenance prevents system breakdowns, ensures optimal cooling, and improves air quality in all environments.
SJR Air Conditioned - Best Aircon Maintenance & Servicing Specialist in Singapore
SJR Air-Conditioned Pte. Ltd. is your trusted expert for air-conditioning system installation, aircon cleaning, aircon repair, plumbing, and heating services in Singapore. Specializing in comprehensive HVAC solutions, we ensure optimal climate control and efficiency for both commercial and residential projects.
From new AC unit installations to essential system maintenance, our professional team delivers quality, reliability, and precision. Choose SJR Air-Conditioned Pte. Ltd. for professional, energy-efficient, and top-tier AC system installation services across Singapore.
Dedicated: Free inspection/estimates
Transparent Fixed Pricing: No hidden fees. Get an upfront quote for your service.
90-Day Workmanship Guarantee: Peace of mind with every service or repair.
24-Hour Emergency Repair: Fast response for critical aircon breakdowns across Singapore.
Local Singapore Experts: Deep understanding of common SG-specific issues (e.g., humid weather wear, HDB/MCST regulations).
Highly Reviewed: Most Trusted By Home Owners & Offices
Professional & Experienced: Completed more than 3000 aircon works islandwide across Singapore
Serviced More Than 3000 Private Homes & Offices Aircon
Ready for Clean, Cold Air?
We guarantee a better, cooler, and cleaner air-conditioned experience.
Eco-friendly cleaning agents safe for humans and pets
Industrial-grade coil cleaners, blowers, and drainage flush equipment
Safety compliance with BCA-approved chemical handling standards
💖 The SJR 100% Cooling Comfort Promise
We remove all the risk from hiring a new aircon company. If you’re not completely satisfied with the cleanliness or cooling performance immediately following your service, our promise is simple:
“If the same fault reoccurs within 90 days, we return and fix it for FREE.
No questions asked, no labour fees, no transportation charges. That’s the SJR commitment to quality.”
Punctuality Guaranteed
We respect your time.
No Hard-Selling
Our technicians are paid to fix, not to sell unnecessary services or parts.
Cleanliness Protocol
We use floor mats and shoe covers, and we guarantee no mess is left behind.
Why Choose a BCA-Approved Aircon Cleaning Services Company?
In Singapore, hiring a BCA-approved aircon cleaning company ensures that you are working with licensed, professional, and reliable technicians who comply with national standards. Here’s why it matters:
Certified Expertise: BCA-approved companies employ trained technicians who are skilled in handling various aircon models, including split units, multi-split systems, and commercial aircon setups. You can trust that the work is done safely and efficiently.
Compliance with Safety Standards: Licensed providers adhere to strict safety and environmental regulations, including proper handling of chemicals and disposal of wastewater, reducing risks to your property and health.
High-Quality Equipment & Chemicals: Approved companies use professional-grade tools and eco-friendly chemicals that are safe for your home or office while providing a thorough clean that DIY methods cannot match.
Peace of Mind & Accountability: BCA approval ensures that the company is accountable for its services. You receive transparent pricing, official receipts, and warranty or service guarantees where applicable.
Longevity & Energy Efficiency: Professional cleaning from certified technicians not only prolongs your aircon’s lifespan but also improves cooling efficiency, helping you save on electricity bills in the long run.
Choosing a BCA-approved aircon cleaning service is a smart investment in your comfort, health, and peace of mind. It guarantees professional results, safety, and lasting performance for your air-conditioning system.
I hve called This Company and handle by 2 workmanship,,he is very profesiaonalism ,,hard work, and maintenance all single… More part very good,,i hve recomended for all of u which hve propblem with any isues of ur aircon,,thank Guys,appreciate all u hve done🫡
I had an excellent experience with SJR Air Conditioned for both aircon installation and cleaning. From the moment I contacted… More them, their team was responsive, punctual, and professional. The installation was done neatly with attention to detail. No mess, no rushing, and they took the time to explain how everything works.
Their cleaning service was equally impressive. They were thorough, careful with my space, and the aircon performance improved immediately after. You can really tell they take pride in their work. Prices were fair, and the quality of service exceeded my expectations.
If you’re looking for reliable and honest aircon specialists, SJR Air Conditioned is definitely the one to go with. I’ll be using them again for future servicing!
Professional servicing typically covers filter cleaning, coil cleaning, fan inspection, drainage system check, refrigerant inspection, and overall performance assessment. Optional services include chemical wash or chemical overhaul.
A chemical wash involves deep cleaning the aircon’s internal components using safe chemicals to remove dirt, grease, and bacterial build-up. It improves efficiency, prolongs the aircon’s lifespan, and ensures cleaner, healthier air in your home or office.
You can perform basic cleaning, like washing filters or wiping the exterior. However, internal chemical washing requires professional tools and chemicals to safely clean coils, fans, and drainage systems without damaging the unit.
Yes, when done by trained professionals using approved chemicals, it is safe and will not damage your aircon. Professionals also ensure proper rinsing to prevent chemical residues.
A thorough chemical wash can remove most mold and bacteria from internal components. For severe mold growth, multiple treatments may be recommended, along with improved ventilation.
It is recommended for homeowners to be present to supervise and allow technicians access to the unit. For offices, access to units during business hours is usually sufficient.
Commercial systems, especially in high-traffic or dusty environments, should be cleaned every 6–12 months to maintain performance and comply with hygiene standards.
Regular chemical washing reduces the risk of breakdowns by preventing dust and mold buildup, ensuring smooth airflow, and keeping components in good condition.