Electric Baseboard Heating: Retain – Moderate load (\n`;
recommendations += `
\n`;
}
if (totalHeatLoss > 30000) {
recommendations += `
\n`;
}
}
if (hasHydronicHeating) {
if (maxLoad > 36000) {
recommendations += `
Hydronic Heated Floors: Retain – Moderate load (\n`;
recommendations += `
Upgrade Option: Consider mini-split heat pump – Sized at ${systemSizeTons} tons.
\n`;
}
if (totalHeatLoss > 30000) {
recommendations += `
Insulation Upgrade: Recommended – Heat loss >30,000 BTU/h.
\n`;
}
}
if (!hasElectricBaseboard || cfms.length > 0) {
const avgStaticPressure = staticPressures.reduce((a, b) => a + b, 0) / staticPressures.length || 0;
const cfmVariance = cfms.length > 1 ? Math.max(…cfms) – Math.min(…cfms) : 0;
if (avgStaticPressure > 0.5) {
recommendations += `
Duct System: Resize or reinforce ductwork – Static pressure >0.5 in. WC (avg: ${avgStaticPressure.toFixed(2)} in. WC).
\n`;
} else if (cfmVariance > 150) {
recommendations += `
Duct System: Adjust dampers or add zoning – CFM variance (${cfmVariance}).
\n`;
} else {
recommendations += `
Duct System: No major changes needed.
\n`;
}
}
recommendations += `
Total System Capacity: ${systemSizeTons} tons – Based on max load of ${maxLoad.toFixed(2)} BTU/h.
`;
document.getElementById(‘recommendations’).value = recommendations || “No recommendations generated.”;
let rebateList = “”;
let rebateTotal = 0;
if (recommendations.includes(‘Gas Furnace’)) {
rebateList += `
FortisBC Furnace Rebate: Upgrade to an ENERGY STAR® natural gas furnace
$1,000\n`;
rebateTotal += 1000;
}
if (recommendations.includes(‘Central Heat Pump + Gas Furnace (Hybrid)’)) {
rebateList += `
FortisBC Dual Fuel Heating Rebate: New electric heat pump with gas furnace
$10,000\n`;
rebateTotal += 10000;
}
if (recommendations.includes(‘Ductless Mini-Split’) && hasElectricBaseboard) {
rebateList += `
FortisBC Heat Pump Rebate: Replace electric baseboards with heat pump
$2,000\n`;
rebateTotal += 2000;
}
if (recommendations.includes(‘Central Heat Pump’) || recommendations.includes(‘Ductless Mini-Split’)) {
rebateList += `
BC Hydro Heat Pump Rebate: Install an eligible electric heat pump
$2,000\n`;
rebateTotal += 2000;
}
if (totalHeatLoss > 30000 && recommendations.includes(‘Insulation Upgrade’)) {
rebateList += `
BC Hydro Insulation Rebate: Improve insulation
$1,200\n`;
rebateTotal += 1200;
}
if (recommendations.includes(‘Ductless Mini-Split’) && hasElectricBaseboard) {
rebateList += `
CleanBC Heat Pump Rebate: Switch from electric baseboard to heat pump
$3,000\n`;
rebateTotal += 3000;
}
if (maxLoad > 36000 && (recommendations.includes(‘Central Heat Pump’) || recommendations.includes(‘Ductless Mini-Split’))) {
rebateList += `
CleanBC High-Efficiency Heat Pump Bonus: High-capacity heat pump (>36,000 BTU/h)
$1,000\n`;
rebateTotal += 1000;
}
const rebateCount = rebateList.split(‘\n’).filter(Boolean).length;
if (rebateCount >= 3) {
rebateList += `
CleanBC Home Energy Improvement Bonus: 3+ upgrades
$2,000\n`;
rebateTotal += 2000;
} else if (rebateCount >= 2) {
rebateList += `
CleanBC Home Energy Improvement Bonus: 2 upgrades
$300\n`;
rebateTotal += 300;
}
const rebateDiv = document.getElementById(‘rebate-list’);
if (!rebateList) {
rebateDiv.innerHTML = ‘
No Rebates Available at this time.
‘;
document.getElementById(‘rebate-total’).textContent = ”;
} else {
rebateDiv.innerHTML = rebateList;
document.getElementById(‘rebate-total’).textContent = `Total Potential Rebates: $${rebateTotal.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, ‘$&,’)}`;
}
}
function addRoom() {
const container = document.getElementById(‘rooms-container’);
const roomCount = container.children.length + 1;
const roomDiv = document.createElement(‘div’);
roomDiv.className = ‘room-entry’;
roomDiv.innerHTML = `
Room ${roomCount}
`;
container.appendChild(roomDiv);
updateRoomNumbers();
}
function removeRoom(button) {
button.closest(‘.room-entry’).remove();
updateRoomNumbers();
updateTotalsAndRecommendations();
}
function updateRoomNumbers() {
const rooms = document.querySelectorAll(‘.room-entry’);
rooms.forEach((room, index) => {
const roomNumber = index + 1;
room.querySelector(‘h3’).textContent = `Room ${roomNumber}`;
const inputs = room.querySelectorAll(‘input, select’);
inputs.forEach(input => {
const name = input.name.replace(/rooms\[\d+\]/, `rooms[${roomNumber}]`);
const id = input.id.replace(/_\d+$/, `_${roomNumber}`);
input.name = name;
input.id = id;
const label = room.querySelector(`label[for=”${input.id.replace(/_\d+$/, `_${index + 1}`)}”]`);
if (label) label.setAttribute(‘for’, id);
});
});
}
function toggleCfmRequirement(select) {
const cfmInput = select.closest(‘.room-entry’).querySelector(‘[name*=”[cfm]”]’);
if (select.value === ‘Yes’) {
cfmInput.value = ‘NA’;
cfmInput.removeAttribute(‘required’);
} else {
if (cfmInput.value.toUpperCase() === ‘NA’) cfmInput.value = ”;
cfmInput.setAttribute(‘required’, ‘required’);
}
updateTotalsAndRecommendations();
}
document.addEventListener(‘DOMContentLoaded’, () => {
addRoom();
document.getElementById(‘add-room’).addEventListener(‘click’, addRoom);
document.getElementById(‘dwelling_type’).addEventListener(‘change’, updateTotalsAndRecommendations);
document.getElementById(‘home_size’).addEventListener(‘input’, updateTotalsAndRecommendations);
document.getElementById(‘onboarding-form’).addEventListener(‘submit’, function(e) {
const inputs = this.querySelectorAll(‘input[required], select[required]’);
let valid = true;
inputs.forEach(input => {
if (!input.value) {
valid = false;
input.style.borderColor = ‘#fa3913’;
if (!input.nextElementSibling || !input.nextElementSibling.classList.contains(‘error’)) {
const error = document.createElement(‘span’);
error.className = ‘error’;
error.textContent = ‘This field is required’;
input.after(error);
}
} else {
input.style.borderColor = ‘#cccccc’;
if (input.nextElementSibling && input.nextElementSibling.classList.contains(‘error’)) {
input.nextElementSibling.remove();
}
}
});
const homeSize = parseInt(document.getElementById(‘home_size’).value) || 0;
const totalRoomSize = parseInt(document.getElementById(‘total-room-size’).textContent) || 0;
const tolerance = 0.10;
const minAllowed = homeSize * (1 – tolerance);
const maxAllowed = homeSize * (1 + tolerance);
if (totalRoomSize maxAllowed) {
valid = false;
alert(`Total room square footage (${totalRoomSize} sq ft) must be within 10% of the home size (${homeSize} sq ft, range: ${Math.round(minAllowed)} – ${Math.round(maxAllowed)} sq ft).`);
}
if (!valid) {
e.preventDefault();
} else {
updateTotalsAndRecommendations();
}
});
});
