How to compare pool upgrades before buying

Start with the existing system

Gather the pump, filter, heater and control model numbers, the present schedule and the work you want the pool to do. Include the proposed change in use: for example, a different heating schedule or control access. A replacement should be assessed as part of the installed system, not selected solely from its headline horsepower or an advertised saving.

A repair quote and a replacement quote answer different questions. Ask what work each includes, which components remain, whether controls are compatible and what assumptions underpin any running-cost comparison. A fixed equipment-age rule does not supply that information.

Variable-speed pumps

ENERGY STAR says variable-speed and multi-speed pumps can help cut energy costs, and that their slower filtration rates put less strain on filters and plumbing. That is a good reason to compare suitable models; the saving depends on your pool and its schedule. Existing equipment, operating hours, required flow and local electricity prices affect the result.

Pentair’s pump-design guidance uses required design flow and total dynamic head to select a pump from its performance curve. Ask for the proposed operating requirements to be stated.

Controls and automation

Check the controls that are already available before buying a separate automation system. Some pumps provide their own programs or scheduling features. Pentair documents model-dependent control functions in its owner support. A phone interface or central controller may add a function you want, but it is not universally necessary to make a variable-speed pump follow a schedule.

List the specific devices and features you want to control. Compatibility should be confirmed for those model numbers. A useful proposal explains what the new controller adds and which existing functions it preserves.

Salt systems and lighting

A salt chlorine generator still produces chlorine. It does not turn the pool into chlorine-free water or remove the need for routine water testing. CDC’s disinfection guidance remains relevant. Select and operate equipment according to the manufacturer’s instructions and the pool’s conditions, rather than assuming a system guarantees comfort or freedom from maintenance.

For a lighting change, identify the existing fixture and the intended replacement. Compatibility and safe installation matter alongside appearance. Do not treat a general pool article as electrical installation instructions; the proposal should identify the appropriate equipment and work.

Heating and the cost of using it

The useful comparison starts with how and when you want to use the water. Record the existing heater model, control arrangement and current performance. Ask what assumptions the proposed equipment uses for outdoor conditions and the desired water temperature. A universal warm-up time or a blanket claim that one fuel is cheaper leaves those inputs out.

Compare purchase and installation costs separately from operating costs. If a savings estimate is offered, ask for the energy-use and tariff assumptions so the estimate can be checked. An upgrade can be worthwhile for a function you want without being described as something that always pays for itself.

Bring the comparison to a quote

Our equipment upgrade service explains the scope, and the quote form lets you describe the existing pool. References: ENERGY STAR pool pumps, Pentair pump-selection guidance, Pentair controls support and CDC water testing.

Where Sullivan’s works

Sullivan’s Pool Service maintains pools in and around Austin, including Northwest Hills, South Austin, West Lake Hills, Tarrytown, Great Hills, River Place, Crestview, East Austin, North Austin, West Campus, Hyde Park, Downtown Austin and St. Johns, and in Bee Cave, Cedar Park, Georgetown, Leander, Pflugerville and Round Rock. See every service area.

Weekly residential service has one fixed monthly price, set by pool size: see pool service pricing for what each size tier covers.