Guides
Buying tips & service checklists
Field-tested advice from Yantra4All technicians — covering water purifiers, ACs, washing machines, AMC plans and more.
Water purifiers
RO Water Purifier Buying Guide for Indian Homes (2026)
How to pick the right RO + UV + UF combination for your water type, family size, and budget — without overpaying for features you'll never use.
Water purifiers
Bangalore Water Quality: What to Buy and Why (2026)
Bangalore water swings between Cauvery municipal supply and high-TDS borewell. The right purifier depends on which tap fills your tank — here is the technician's playbook.
Water purifiers
RO in Apartment Societies: Compliance, Drainage & Society Permissions
RO rejects water — typically 3 litres for every 1 litre purified. Here's how to install in a society without violating bylaws or wasting drinkable water.
Water purifiers
RO vs UV vs UF: What Each Removes (Comparison Table)
A side-by-side technician's chart of what RO, UV and UF actually remove from your water — so you stop overpaying for filtration you don't need.
Water purifiers
RO Membrane & Filter Replacement: The Real Schedule (Not the Sticker)
Sediment, carbon, membrane — each RO stage has a real working life that depends on your water, not the sticker. Here is the honest schedule, the warning signs, and the upsells to refuse.
Water purifiers
RO Service Costs in India (2026): What's Fair, What's Inflated
What an RO service should actually cost in 2026 — fair market ranges for visits, filters and membranes, what a proper service must include, and the red flags of an inflated quote.
Water purifiers
RO Purifier Not Working? No Water, Slow Flow or Bad Taste - Fixes and Costs
The common RO faults - no water, a tank that fills too slowly, leaks or a change in taste - what causes each and what the repair costs in 2026.
AC service
AC Pre-Summer Checklist: 8 Things Every Owner Should Do in March
A 60-minute, mostly-DIY checklist that prevents 80% of summer breakdowns and keeps your electricity bill from doubling. What to do yourself in March, what to leave to a technician, and the maths that proves it.
AC service
Mumbai Monsoon AC Checklist: Surviving June to September
Mumbai's monsoon humidity destroys ACs faster than dry-summer heat. A 30-minute pre-monsoon checklist — drain flush, coil rinse, corrosion protection — saves the typical mid-July emergency call and the wall damage that comes with it.
AC service
AC Gas Top-Up: When You Actually Need It (and When You're Being Overcharged)
Refrigerant does not get used up — if your AC needs gas, it has a leak. Genuine low-gas symptoms, real metro price ranges for R22, R32 and R410A, and the questions that expose a scam quote.
AC service
Split vs Window AC: Service, Installation & Running Costs Compared
Window ACs cost half as much to install and service; splits cool better, run quieter and last longer. The full cost comparison — installation, jet wash, gas work, uninstall-reinstall when you shift homes — with real metro ranges.
AC service
Inverter AC Not Cooling? A 10-Minute Diagnosis Before You Call Anyone
Inverter ACs fail quietly — no clunk, just a room that will not cool. A 10-minute self-diagnosis that separates what you can fix yourself (settings, filter, power) from what genuinely needs a technician (PCB, sensor, gas).
AC service
AC Not Cooling? Causes, Quick Checks and 2026 Repair Costs in India
The eight reasons an air conditioner stops cooling, how to tell which one you have before a technician arrives, and what each fix actually costs.
Refrigerator
Refrigerator Not Cooling: Is It Gas or the Compressor?
Most cooling failures are misdiagnosed. Here's a 5-minute self-check that tells you whether you need a ₹1,200 gas top-up or a ₹6,000 compressor swap before the technician knocks.
Refrigerator
The ₹300 Part That's Silently Doubling Your Fridge's Power Bill
A worn door gasket makes your compressor run 30–50% longer every day, inflates the power bill, and shortens compressor life. A 2-minute paper test tells you if yours is leaking.
Washing machine
Why Your Washing Machine Smells — and the Drum-Cleaning Routine That Fixes It
That damp, musty smell is biofilm and detergent scrud coating the hidden side of your drum. A monthly hot tub-clean and a few dosing corrections fix it for good.
Washing machine
Front Load vs Top Load: The Service-Cost Truth Nobody Tells You at Purchase
The showroom compares purchase price and wash quality. Nobody compares what each machine costs to keep alive for 10 years in Indian water and voltage. Here is that comparison.
Geyser
Geyser Safety & Maintenance: The Annual Checklist That Prevents Winter Emergencies
Geysers fail in the first cold week of December, exactly when every technician is booked out. An annual pre-winter checklist — anode, sediment, thermostat, PRV, earthing — prevents almost all of it.
Washing machine
Washing Machine Not Spinning or Draining? Causes and Repair Costs (India, 2026)
Why your washer stops mid-cycle, leaves clothes soaking, or will not spin - the checks to do yourself and what each repair costs.
Geyser
Geyser Not Heating Water? Causes, Safety Checks and Repair Costs (2026)
Cold water from your water heater, tripping power, or a leaking tank - what each symptom means and what it costs to fix safely.
Microwave
Microwave Not Heating? What is Repairable and What is Not (India, 2026)
A microwave that runs but does not heat has a specific set of causes - some cheap to fix, one that decides whether repair is even worth it.
Kitchen chimney
Kitchen Chimney Losing Suction? Service, Auto-Clean and Costs (2026)
Why an Indian kitchen chimney stops pulling smoke, when a deep service fixes it, and what auto-clean really does.
Refrigerator
Refrigerator Not Cooling? A Symptom-by-Symptom Cost Guide (2026)
Fridge warm but freezer fine, everything warm, or the compressor running non-stop - each points to a different fault and a very different bill.
AMC & warranty
AMC vs Warranty: What Actually Covers You When the AC Breaks
Most appliance owners only learn the difference between manufacturer warranty and an Annual Maintenance Contract when something goes wrong. Here is the field-tested breakdown of what each covers, what quietly voids them, and which one your home actually needs.
AMC & warranty
AMC ROI: Will Your AMC Plan Actually Pay Off?
A worked example using real Yantra4All AMC pricing — with the line-by-line math you need to decide whether to renew, downgrade, or skip your maintenance contract this year.
Spare parts
Genuine vs Fake Spare Parts: How Counterfeits Reach Your Appliance (and How to Catch Them)
Counterfeit membranes, capacitors and PCBs travel the same doorways as genuine ones. Here is how fakes reach your appliance, the doorstep checks that catch them, and why the cheap part always costs more.
Ownership
Before the Technician Rings the Bell: A 10-Point Checklist That Saves You Money
Ten checks — five before the technician arrives, five before he leaves — that routinely save ₹500–2,000 per service visit, keep fake parts out of your machine, and make every repair warranty actually enforceable.
AMC & warranty
AMC vs Pay-Per-Visit: Which Actually Saves You Money? (2026)
An honest breakeven analysis of annual maintenance contracts against paying per repair - when an AMC pays for itself and when it does not.