Al Waleed Spare Parts LLC

email: contact@alwaleedhvac.com   WhatsApp: +971566952848

Step-by-Step Guide to Replacing an AC Contactor: DIY and Professional Tips

If your outdoor AC unit is humming but not cooling, or if you’re hearing a rapid clicking noise from the condenser, there’s a good chance your contactor has failed. It’s one of the most common electrical components to go bad in UAE conditions, and for good reason—contactors take a beating from heat, humidity, and the […]

Rotary vs. Scroll Compressors: Performance in High UAE Temperatures

When you’re selecting a compressor for Dubai’s climate, the choice between rotary and scroll isn’t just about specs on a datasheet. It’s about how that technology performs when ambient temperatures hit 50°C, when the condenser is baking in direct sun, and when the unit needs to run 16 hours a day for months on end. […]

Is Your AC Undersized? The Ultimate Heat Load & AC Tonnage Guide for UAE Villas

If your AC runs nonstop from June to September and still struggles to cool your villa below 26°C, there’s a good chance you’re undersized. Not underpowered—undersized. That’s a different problem, and it’s surprisingly common in UAE properties where international cooling standards collide with desert reality. I’ve walked into plenty of villas where someone used textbook […]

Handling Refrigerant Gases Safely: A Comprehensive Guide for UAE Technicians

Working with refrigerant gases in the UAE isn’t just about knowing how to charge a system or recover gas during a compressor swap. It’s about understanding regulations that have gotten stricter over the past few years, handling materials that can cause serious injury if mishandled, and operating in a climate where heat adds another layer […]

AC Fan Motor Noise? How to Identify and Fix the Problem in Dubai

When your AC starts making strange noises in the middle of a Dubai summer, it’s not something you ignore. Maybe it’s a high-pitched squeal that kicks in every time the unit cycles on. Or a grinding sound that makes you wince. Whatever it is, fan motor noise usually means something’s wearing out—and in our climate, […]

How to Navigate the Deira AC Market for Bulk HVAC Supplies: A Professional Guide

If you’ve ever tried sourcing bulk HVAC supplies in Dubai, you already know that Deira isn’t just a market—it’s the market. For contractors, MEP consultants, and facility managers buying in volume, this district is where you’ll find everything from obscure compressor models to truckloads of copper coil at prices that actually make sense. But here’s […]

The Role of Expansion Valves in Large-Scale Cooling Systems

If you’ve ever walked into a perfectly cooled hotel lobby in Dubai during July and wondered how the system handles the brutal outdoor heat, the answer starts with a small but critical component—the expansion valve. Think of it as the gatekeeper of your refrigeration cycle. It doesn’t just control refrigerant flow; it essentially decides whether […]

Signs Your AC Capacitor is About to Fail: A Dubai Homeowner’s Guide

Your AC is making a weird humming sound. Or maybe it’s taking forever to start cooling. Or it randomly shuts off after running for 20 minutes. Before you panic and assume you need a new compressor or a complete system replacement, there’s a good chance the problem is much simpler: a failing capacitor. Capacitor failure […]

Buying HVAC Copper Pipes: Soft vs. Hard Copper Explained

Walk into any HVAC supply shop in Dubai and ask for copper pipe. The first question back will be: “Soft or hard?” If you’re not sure how to answer, you’re not alone. Most people—even some newer technicians—don’t fully understand the difference or why it matters for their specific installation. Copper tubing is the backbone of […]

How to Clean Your AC Evaporator Coils Like a Pro: A UAE Maintenance Guide

Your AC is working harder than it should. The air coming out feels weak, maybe there’s a strange smell, and your DEWA bill keeps climbing even though you haven’t changed your usage. Nine times out of ten, the problem is dirty evaporator coils. In Dubai, AC coils don’t just get dirty—they get caked with a […]