Need to control a packaged HVAC unit from a downstairs location without running new thermostat wires through finished ceilings.

Existing PTAC wireless thermostats may not be compatible with standard residential packaged units, and general wireless thermostat solutions require wiring or are not designed for this retrofit scenario.

Severity

3Medium

Willingness to Pay

implied

Added

May 13, 2026

App Concept

WirelessRetro Thermostat

A wireless thermostat kit designed for retrofitting packaged HVAC units without running new wires. Includes a battery-powered thermostat that communicates via RF to a base station mounted at the unit, allowing temperature control from any location. Easy DIY installation with no ceiling demolition.

Key Features

Wireless communication up to 200 feet through walls
Battery-powered thermostat with long-life lithium cells
Base station connects directly to standard HVAC terminals
Compatible with most single-stage packaged units
Optional remote sensor for multi-zone feedback

Target Users: HVAC technicians and homeowners with multi-story homes lacking thermostat wiring, especially older homes with packaged units.

Revenue Model: $89 per kit (thermostat + base station), with $29 replacement thermostat bundles. B2B discounts for HVAC contractors.

Existing Solutions Mentioned

PTAC wireless thermostat

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