Reduce electricity use in a rented home
A renter can control many electricity costs without renovating the property. Start with meter readings and high-use appliances, make reversible improvements, agree repairs with the owner, and check whether lower consumption actually changes the bill.
In this article
- Build a usable baseline from the meter
- Estimate the uses that deserve attention
- Reduce the cooling load before changing equipment
- Match hot-water timing to actual demand
- Improve everyday appliance routines
- Choose reversible lighting and standby changes
- Make a written repair and purchase agreement
- Check results in units and understand the remaining bill
- Sources & further reading
Build a usable baseline from the meter
Collect recent bills and note their reading dates, billed units and whether readings are actual or estimated. Divide units by billed days to compare periods of different lengths. A larger bill after a longer billing period may not represent higher daily use. Record occupancy, guests, working from home and major weather changes. Keep a photograph of the accessible meter display at move-in and follow the landlord’s agreed procedure for shared supplies.
Check which meter serves the flat, whether common pumps or another room share it, and how any private submeter charge is calculated. A rental agreement quoting a single rate does not explain fixed charges, arrears or common-area allocation. Ask for the supporting main bill and a written calculation. Do not open meter covers or alter wiring. If readings appear wrong, document dates and numbers and use the authorised complaint route.
Estimate the uses that deserve attention
For a device drawing a steady amount of power, energy in kilowatt-hours is watts divided by one thousand, multiplied by hours. An illustrative 60-watt fan running eight hours daily uses 14.4 units over thirty days. A 1,500-watt heater running half an hour daily uses 22.5 units over the same period. These calculations assume the stated draw during operation; cycling compressors and variable-speed equipment need more careful estimates.
List the appliances with their approximate usage and focus on the largest controllable loads. A correctly rated plug-in meter can help with suitable plug-connected appliances if its instructions permit; it is not a tool for exposed wiring or fixed high-load circuits. Do not mistake an appliance’s maximum label input for a constant measured draw. Even a rough ranking can show why arguing about a tiny charger while a heater runs unnecessarily is unproductive.
Reduce the cooling load before changing equipment
Block avoidable sun with suitable curtains or external shading where permitted, close doors and windows when air-conditioning, and clean user-serviceable filters according to the manual. Keep the outdoor unit’s airflow unobstructed. A comfortable higher thermostat setting can reduce cooling demand, but suitable conditions depend on humidity, health and the occupants. Use a fan where helpful without claiming that moving air lowers the room’s actual temperature.
Try one change at a time over reasonably comparable days, while accepting that weather makes exact comparisons difficult. If the air-conditioner struggles despite normal maintenance, report symptoms and seek service rather than repeatedly lowering the setpoint. Ask the owner who pays for filters, servicing and faults. Do not block a permanent ventilation opening or build a makeshift enclosure around outdoor equipment as a supposed energy-saving measure.
Section references: [3]
Match hot-water timing to actual demand
Understand the installed water heater’s controls, capacity and manual before setting a routine. Avoid leaving it heating simply because the switch is out of sight, while following any manufacturer requirements for storage temperatures and hygiene. Heat water for the tasks and schedule the household actually needs. A timer must be suitable for the load and installation; a cheap smart plug is not automatically rated for a high-power geyser.
Report leaking hot-water fittings because they waste both water and energy. Do not alter the thermostat, safety valve, earthing or internal wiring. Landlord approval does not replace qualified electrical and plumbing work. If the heater trips protection, smells burnt or shows damaged connections, stop using it and arrange inspection. Saving electricity by defeating a safety device or using an improvised immersion arrangement creates a different and unacceptable problem.
Section references: [3]
Improve everyday appliance routines
Keep refrigerator doors closed as much as practical, avoid blocking internal airflow and follow the model’s required clearance and temperature guidance. Check whether a damaged seal prevents normal closing and report it. Do not turn the refrigerator off routinely to cut the bill: that can compromise stored food. The energy label gives a standardised comparison, while the actual result depends on climate, loading, settings and how the appliance is used.
For laundry, choose suitable loads and programmes without overloading the machine. Avoid unnecessary repeat washing caused by using the wrong detergent quantity or programme. Dry clothes naturally where safe and practical, respecting building rules and ventilation. For cooking appliances and kettles, heat the amount required. These changes usually cost little, but record their effect modestly rather than assigning every reduced unit to one household habit.
Choose reversible lighting and standby changes
Replace suitable inefficient lamps with compatible efficient options where the fitting and rental agreement allow. Compare useful light output, not just wattage; a low-watt lamp that is too dim for study is not a satisfactory replacement. Keep the original landlord-owned lamps if the agreement requires restoring them at move-out. For fixed fittings, damaged holders or uncertain compatibility, ask for appropriate inspection instead of improvising an adapter.
Switch off equipment that has no required task during idle periods. Keep necessary devices running, including medical equipment, security systems and a router needed for essential access. Standby savings vary by device; avoid dramatic claims based only on the number of plugs. A shared labelled switchboard can make an agreed routine easier for flatmates. Never overload a power strip while trying to control several high-load appliances from one switch.
Section references: [3]
Make a written repair and purchase agreement
For a faulty landlord-owned appliance, send a concise description, photographs where useful and any relevant reading history. Ask who will approve the repair, who pays and whether a replacement becomes the owner’s property. An efficient appliance can still be a poor renter purchase if installation, moving and storage costs exceed likely savings before the tenancy ends. Include those costs in the comparison rather than considering the star label alone.
Permanent changes to wiring, fans, glazing or roof installations need the appropriate permissions and qualified work. Where the owner will not approve a major upgrade, focus on safe reversible changes and documented maintenance. Avoid promises that a private energy-saving box will reduce the meter’s recorded consumption without explaining the mechanism and evidence. A clear maintenance request is more useful than a dispute based on a seller’s unverified percentage.
Check results in units and understand the remaining bill
After a few weeks, compare units per day with a reasonably similar period and record what changed. Use daily readings sparingly if access is shared and follow building rules. A worked example: reducing consumption from 240 to 210 units is a thirty-unit reduction. If the relevant avoided energy rate were an illustrative ₹7 per unit, the energy-charge difference would be ₹210 before other adjustments. It is not a forecast of a particular tariff.
Fixed charges, taxes, fuel adjustments, previous balances and subsidies may prevent the total bill from falling in direct proportion to units. Review the bill lines rather than assuming the meter is faulty when the percentage differs. Keep the changes that improve comfort and reduce waste without excessive effort. If use remains unexplained, seek an appliance or electrical assessment with records in hand instead of making more random restrictions on daily life.
Readers’ questions
Does running a fan together with the AC always save electricity?
It can improve comfort and allow some people to choose a higher thermostat setting, but the fan also consumes energy. If the setpoint and AC runtime do not change, total use may increase slightly. Try a comfortable combination and compare usage under similar conditions. Do not apply a rigid temperature rule to someone whose health or care needs require a different environment.
Should I buy a five-star appliance for a short tenancy?
Compare the extra purchase cost, realistic use, remaining tenancy, moving costs and ownership arrangement. A very efficient model may justify its price when heavily used for years, while a suitable lower-cost model can be sensible for limited use. Compare the same appliance size and label period. Ask the owner first if the replacement is meant to resolve a fault in equipment supplied with the flat.
What if the owner charges more than the utility’s displayed rate?
Ask for the main bill, submeter readings, billing dates and the method used to allocate common and fixed charges. Keep the rental terms and payment records. Differences may reflect legitimate agreed components or an error, but the calculation needs to be transparent. For a dispute, consult the applicable local consumer or tenancy route; do not tamper with the meter or withhold essential safety repairs.
Sources & further reading
- Frequently Asked Questions about Electricity Billing — MSEDCL ↗
- Citizen’s Charter, March 2026: How Your Bill Is Prepared — BSES ↗
- Standards & Labelling Programme — Bureau of Energy Efficiency ↗
- Household Refrigerator Energy Consumption and Star Labelling Notification — BEE ↗
Sources were checked for this edition. Scheme rules, product conditions and local requirements can change; consult the responsible provider for a decision.
