All guides

The factors that set the price of a split, window or inverter AC, a geyser or a heat-pump water heater in India, from tonnage and star rating to GST and installation.

How to choose between 0.75, 1, 1.5 and 2 ton ACs for an Indian room using floor area, ceiling height, sun, floor level, occupants and city climate.

What the BEE star label on an Indian room AC or geyser shows, how ISEER works, why star tables are revised and how to turn the label into rupees.

GST on room air conditioners fell from 28% to 18% on 22 September 2025. How that shows on your invoice, plus GST on installation, AMC, geysers and solar water heaters.

What the refrigerant gas in your AC means for efficiency, servicing, gas top-up cost and safety, and how India's HCFC phase-out and the Kigali Amendment affect it.

Fixed-speed and inverter, split and window, portable and cassette ACs compared for Indian homes on price, installation, electricity use, noise and repairs.

How storage and instant electric geysers, LPG/PNG gas geysers, solar water heaters and heat-pump water heaters differ in price, running cost, safety and fit for Indian homes.

A step-by-step method to decide between a 3-star and a 5-star AC in India using label units, your hours of use and your tariff slab, with three worked payback cases.

How AC annual maintenance contracts work in India, what comprehensive and non-comprehensive AMCs include and exclude, how to price one against pay-per-visit service.

A step-by-step checklist for buying a split or window AC or a geyser in India, preparing the wiring, supervising installation and keeping the records you need for warranty.

Calculate the units a 1, 1.5 or 2 ton AC adds to your bill and what they cost under telescopic slab tariffs, with illustrative examples and ways to cut them.

Step-by-step total cost of ownership for a split AC, a window AC, a storage geyser and a heat-pump water heater in an Indian home, with illustrative rupee arithmetic.

What a split or window AC installation bill in India includes, how extra copper pipe and other extras are charged, a worked estimate and how to check the bill.

How to calculate the units a storage or instant geyser uses each month, what standing loss adds, typical installation items and how to cut the winter bill.

How a heat-pump water heater compares with an electric geyser and solar heater on price and running cost in India, with COP-based payback examples for homes and guest houses.

When an AC really needs gas in India, what a proper leak repair and recharge involves, common overcharging patterns by service technicians and fake helplines, and what to do.

Where to take an AC or geyser complaint in India: brand service, dealer, National Consumer Helpline 1915, e-Jagriti consumer commission, BEE, BIS, DISCOM and electrical inspectorate.

The common split and window AC installation failures in Indian homes, how to spot them, what they cost to fix and how to get the installer or brand to correct them.

Why brands refuse AC compressor, PCB or geyser tank warranty claims in India, which refusals you can challenge, and how to escalate with evidence to NCH and e-Jagriti.

How to file a consumer complaint in India over a defective AC or geyser, a refused warranty or an overcharging service centre: parties, documents, fees, limits and relief.

Why electric and gas geysers fail dangerously in Indian bathrooms, the safety parts that prevent it, warning signs, what to do after an incident and who to report to.

What to do when an AC or geyser ordered online arrives late, damaged or wrong, or installation is not scheduled: marketplace vs seller vs brand, E-Commerce Rules 2020, returns and complaints.