Package Unit Installation in Blanchester, OH

How It Works

How We Install Your Package Unit — A Step-by-Step Process

Installing a package HVAC unit is more straightforward than split-system installation in some ways — one outdoor location instead of two — but requires precision in foundation work, electrical service, and system configuration. Here’s exactly what TAP does to ensure your package unit operates reliably.

1. 1

   Site Assessment & Load Calculation

   We begin with a thorough evaluation of your property. Our technician measures your building, examines existing ductwork, checks electrical service capacity, and assesses the proposed pad location for sun exposure, drainage, and airflow. We calculate the cooling and heating capacity your space actually needs — an oversized unit cycles inefficiently; an undersized unit won’t maintain comfort. We also confirm your ground location can safely support the unit’s weight.

2. 2

   Equipment Selection & Sizing

   Package units come in various sizes, efficiency ratings, and feature sets. We discuss options: basic all-in-one cooling and heating, higher-efficiency models with variable-capacity compressors, or units with integrated humidification control. We present specifications, estimated operating costs, warranty terms, and how each option fits your budget. Armstrong Air offers residential-grade package units that deliver reliability without over-engineering.

3. 3

   Foundation & Pad Engineering

   The installation site requires a level, properly drained concrete pad sized to the unit’s footprint with a slight slope for water runoff. If your existing surface isn’t suitable, we pour a new pad with proper thickness and reinforcement. We ensure stable support, prevent water pooling, and allow adequate clearance for airflow and future maintenance access. Poor foundation work is a leading cause of package unit problems — we get this right.

4. 4

   Electrical Service Upgrade & Configuration

   Package units require dedicated electrical service sized to the unit’s amperage draw. If your service is undersized, we coordinate an upgrade with a licensed electrician. We install a disconnect switch, run conduit and wire to code, and verify all connections before powering on. We verify wire gauge matches full load amperage plus a 25% safety margin, test voltage under load, torque connections to specification, and label all circuits clearly for future service technicians.

5. 5

   Ductwork Preparation & Connection

   Package units discharge air into ductwork that distributes heating or cooling. If you have existing ducts, we inspect them for leaks, blockages, and poor insulation, then seal and reinforce as needed. A poorly sealed system can waste 20–30% of conditioned air. We use mastic sealant on all joints, balance return air pathways against supply runs, and connect the discharge plenum with sealed transitions. New construction may require full ductwork design and installation.

6. 6

   Refrigerant Charge & System Startup

   Once installed and connected, we evacuate the refrigerant lines to remove moisture and air, then charge the system to manufacturer specification using calibrated equipment. We use digital manifold gauges, compare against the charge chart for ambient conditions, and verify subcooling and superheat values to confirm the expansion valve operates correctly. Even factory-charged units need field verification — we never skip it.

7. 7

   Comprehensive Testing & Handoff

   Before we consider the installation complete, we run a full system test: thermostat calibration, airflow measurement, cooling and heating cycle verification, electrical safety inspection, and compressor operation check. We provide you with the equipment manual, warranty documents, filter information, and maintenance recommendations — and answer your questions so you’re confident in your new system.